List of organisms by chromosome count
The list of organisms by chromosome count describes ploidy or numbers of chromosomes in the cells of various plants, animals, protists, and other living organisms.

List of organisms by chromosome count

Section Title:
Table Section Text: The list of organisms by chromosome count describes ploidy or numbers of chromosomes in the cells of various plants, animals, protists, and other living organisms.

Organism (Scientific name)	Chromosome number	Picture	Karyotype	Notes	Source

Jack jumper ant (Myrmecia pilosula)	2/1	-	2 for females, males are haploid and thus have 1; smallest number possible. Other ant species have more chromosomes.

Oikopleura dioica	6	-

Australian daisy (Brachyscome dichromosomatica)	12	-	This species can have more B chromosomes than A chromosomes at times, but 2n=4.

Spider mite (Tetranychidae)	4–14	-	Spider mites (family Tetranychidae) are typically haplodiploidy (males are haploid, while females are diploid)

Yellowfever mosquito (Aedes aegypti)	6	-	-	The 2n=6 chromosome number is conserved in the entire family Culicidae, except in Chagasia bathana, which has 2n=8.

Indian muntjac (Muntiacus muntjak)	6/7	Muntjac deer.JPG	-	2n = 6 for females and 7 for males. The lowest diploid chromosomal number in mammals.

Hieracium	8	-

Fruit fly (Drosophila melanogaster)	8	-	-	6 autosomal and 2 allosomic (sex)

Macrostomum lignano (Macrostomum lignano)	8	-	-

Thale cress (Arabidopsis thaliana)	10	-	-

Swamp wallaby (Wallabia bicolor)	10/11	-	-	11 for male, 10 for female

Nematode (Caenorhabditis elegans)	12/11	-	-	12 for hermaphrodites, 11 for males

Spinach (Spinacia oleracea)	12	-	-

Broad bean (Vicia faba)	12	-	-

Yellow dung fly (Scathophaga stercoraria)	12	Fliege9012.JPG	-	10 autosomal and 2 allosomic (sex) chromosomes. Males have XY sex chromosomes and females have XX sex chromosomes.

Slime mold (Dictyostelium discoideum)	12	Dictyostelium Fruiting Bodies.JPG

Cucumber (Cucumis sativus)	14	-	-

Tasmanian devil (Sarcophilus harrisii)	14	-	-

Rye (Secale cereale)	14	-	-

Pea (Pisum sativum)	14	-	-

Barley (Hordeum vulgare)	14	-	-

Aloe vera	14	-	-	The diploid chromosome number is 2n = 14 with four pair of long acrocentric chromosomes ranging from 14.4 μm to 17.9 μm and three pair of short sub metacentric chromosomes ranging from 4.6 μm to 5.4 μm.

Koala (Phascolarctos cinereus)	16	-

Kangaroo	16	-	-	This includes several members of genus Macropus, but not the red kangaroo (M. rufus, 20)

Schistosoma mansoni	16	-	-	2n=16. 7 autosomal pairs and ZW sex-determination pair.

Welsh onion (Allium Fistulosum)	16	-	-

Garlic (Allium sativum)	16	-	-

Itch mite (Sarcoptes scabiei)	17/18	-	-	According to the observation of embryonic cells of egg, chromosome number of the itch mite is either 17 or 18. While the cause for the disparate numbers is unknown, it may arise because of an XO sex determination mechanism, where males (2n=17) lack the sex chromosome and therefore have one less chromosome than the female (2n=18).

Radish (Raphanus sativus)	18	-	-

Carrot (Daucus carota)	18	-	-	The genus Daucus includes around 25 species. D.

Cabbage (Brassica oleracea)	18	-	-	Broccoli, cabbage, kale, kohlrabi, brussels sprouts, and cauliflower are all the same species and have the same chromosome number.

Citrus (Citrus x)	18	-	-	Chromosome number of the genus Citrus, which including lemons, oranges, grapefruit, pomelo and limes, is 2n = 18.

Passion fruit (Passiflora edulis)	18	-	-

Setaria viridis (Setaria viridis)	18	エノコログサSetaria viridis (L.) P.Beauv.P9130041.JPG	-

Maize (Zea mays)	20	Klip kukuruza uzgojen u Međimurju (Croatia).JPG	-

Cannabis (Cannabis sativa)	20	-	-

Western clawed frog (Xenopus tropicalis)	20	Xenopus tropicalis02.jpeg	-

Australian pitcher plant (Cephalotus follicularis)	20	-

Cacao (Theobroma cacao)	20	-	-

Eucalyptus (Eucalyptus)	22	-	-	Although some contradictory cases have been reported, the large homogeneity of the chromosome number 2n = 22 is now known for 135 (33.5%) distinct species among genus Eucalyptus.

Virginia opossum (Didelphis virginiana)	22	-

Bean (Phaseolus sp.)	22	-	-	All species in the genus Phaseolus have the same chromosome number, including common bean (P. vulgaris), runner bean (P.

Snail	24	-

Melon (Cucumis melo)	24	-	-

Rice (Oryza sativa)	24	-	-

Silverleaf nightshade (Solanum elaeagnifolium)	24	-

Sweet chestnut (Castanea sativa)	24	-	-

Tomato (Solanum lycopersicum)	24	-	-

European beech (Fagus sylvatica)	24	-	-

Bittersweet nightshade (Solanum dulcamara)	24	-

Cork oak (Quercus suber)	24	-	-

Edible frog (Pelophylax kl. esculentus)	26	Rana esculenta on Nymphaea edit.JPG	-	Edible frog is the fertile hybrid of the pool frog and the marsh frog.

Axolotl (Ambystoma mexicanum)	28	-	-

Bed bug (Cimex lectularius)	29–47	-	-	26 autosomes and varying number of the sex chromosomes from three (X1X2Y) to 21 (X1X2Y+18 extra Xs).

Pill millipede (Arthrosphaera magna attems)	30	-

Giraffe (Giraffa camelopardalis)	30	-	-

American mink (Neovison vison)	30	-

Pistachio (Pistacia vera)	30	-	-

Yeast (Saccharomyces cerivisiae)	32	-

European honey bee (Apis mellifera)	32/16	-	-	32 for females (2n = 32), males are haploid and thus have 16 (1n =16).

American badger (Taxidea taxus)	32	AmericanBadger.JPG

Alfalfa (Medicago sativa)	32	Graines de luzerne bio germées - 001.JPG	-	Cultivated alfalfa is tetraploid, with 2n=4x=32. Wild relatives have 2n=16.

Red fox (Vulpes vulpes)	34	-	Plus 3-5 microsomes.

Sunflower (Helianthus annuus)	34	Lule Dielli.JPG	-

Porcupine (Erethizon dorsatum)	34	-

Globe artichoke (Cynara cardunculus var. scolymus)	34	-	-

Yellow mongoose (Cynictis penicillata)	36	-

Tibetan sand fox (Vulpes ferrilata)	36	-

Starfish (Asteroidea)	36	-

Red panda (Ailurus fulgens)	36	-

Meerkat (Suricata suricatta)	36	-

Cassava (Manihot esculenta)	36	-	-

Long-nosed cusimanse (Crossarchus obscurus)	36	-

Earthworm (Lumbricus terrestris)	36	-

African clawed frog (Xenopus laevis)	36	-	-

Waterwheel plant (Aldrovanda vesiculosa)	38	-

Tiger (Panthera tigris)	38	-	-

Sea otter (Enhydra lutris)	38	-

Sable (Martes zibellina)	38	-

Raccoon (Procyon lotor)	38	-

Pine marten (Martes martes)	38	-

Pig (Sus)	38	-	-

Oriental small-clawed otter (Aonyx cinerea)	38	-

Lion (Panthera leo)	38	-

Fisher	38	-	a type of marten

European mink (Mustela lutreola)	38	-

Coatimundi	38	-

Cat (Felis silvestris catus)	38	-	-

Beech marten (Martes foina)	38	-

Baja California ratsnake (Bogertophis rosaliae)	38	-

American marten (Martes americana)	38	-

Trans-Pecos ratsnake (Bogertophis subocularis)	40	-

Mouse (Mus musculus)	40	-	-

Mango (Mangifera indica)	40	-

Hyena (Hyaenidae)	40	-

Ferret (Mustela putorius furo)	40	-

European polecat (Mustela putorius)	40	-

Beaver (American) (Castor canadensis)	40	-

Peanut (Arachis hypogaea)	40	-	-	Cultivated peanut is an allotetraploid (2n = 4x = 40). Its closest relatives are the diploid (2n = 2x = 20).

Wolverine (Gulo gulo)	42	-

Wheat (Triticum aestivum)	42	-	-	This is a hexaploid with 2n=6x=42. Durum wheat is Triticum turgidum var. durum, and is a tetraploid with 2n=4x=28.

Rhesus monkey (Macaca mulatta)	42	-	-

Rat (Rattus norvegicus)	42	-	-

Oats (Avena sativa)	42	Avena sativa 002.JPG	-	This is a hexaploid with 2n=6x=42. Diploid and tetraploid cultivated species also exist.

Giant panda (Ailuropoda melanoleuca)	42	-

Fossa (Cryptoprocta ferox)	42	-

European rabbit (Oryctolagus cuniculus)	44	-	-

Eurasian badger (Meles meles)	44	-

Moon jellyfish (Aurelia aurita)	44	Moon jellyfish at Gota Sagher.JPG

Dolphin (Delphinidae Delphi)	44	-

Coffea arabica (Coffea arabica)	44	-	-	Out of the 103 species in the genus Coffea, arabica coffee is the only tetraploid species (2n = 4x = 44), the remaining species being diploid with 2n = 2x = 22.

Sable antelope (Hippotragus niger)	46	-

Reeves's muntjac (Muntiacus reevesi)	46	-

Human (Homo sapiens)	46	Akha cropped hires.JPG	-	44 autosomal. and 2 allosomic (sex)

Parhyale hawaiensis	46	-	-

Water buffalo (river type) (Bubalus bubalis)	48

Tobacco (Nicotiana tabacum)	48	-	-	Cultivated species N. tabacum is an amphidiploid (2n=4x=48) evolved through the interspecific hybridization of the ancestors of N.

Potato (Solanum tuberosum)	48	-	-	This is for common potato Solanum tuberosum (tetraploid, 2n = 4x = 48). Other cultivated potato species may be diploid (2n = 2x = 24), triploid (2n = 3x = 36), tetraploid (2n = 4x = 48), or pentaploid (2n = 5x = 60).

Orangutan (Pongo)	48	Orang Utan, Semenggok Forest Reserve, Sarawak, Borneo, Malaysia.JPG	-

Hare (Lepus)	48	-

Gorilla (Gorilla)	48	-

Deer mouse (Peromyscus maniculatus)	48	-

Chimpanzee (Pan troglodytes)	48	-	-

Beaver (Eurasian) (Castor fiber)	48	-

Zebrafish (Danio rerio)	50	-	-

Water buffalo (swamp type) (Bubalus bubalis)	50	-	-

Striped skunk (Mephitis mephitis)	50	-

Pineapple (Ananas comosus)	50	-

Kit fox (Vulpes macrotis)	50	-

Spectacled bear (Tremarctos ornatus)	52	Urso-de-óculos no Zoológico de Sorocaba.JPG

Platypus (Ornithorhynchus anatinus)	52	-	-	Ten sex chromosomes. Males have X1Y1X2Y2X3Y3X4Y4X5Y5, females have X1X1X2X2X3X3X4X4X5X5.

Cotton (Gossypium hirsutum)	52	CottonPlant.JPG	-	This is for the cultivated species G. hirsutum (allotetraploid, 2n=4x=52).

Sheep (Ovis orientalis aries)	54	-	-

Hyrax (Hyracoidea)	54	Procavia-capensis-Frontal.JPG	-	Hyraxes were considered to be the closest living relatives of elephants, but sirenians have been found to be more closely related to elephants.

Raccoon dog (Nyctereutes procyonoides procyonoides)	54	-	-	This number is for Chinese raccoon dog (N. p.

Capuchin monkey (Cebus x)	54	Cebus capucinus, Costa Rica.JPG

Silkworm (Bombyx mori)	56	-	-	This is for the species mulberry silkworm, B. mori (2n=56).

Strawberry (Fragaria)	56	Fragaria × ananassa.JPG	-	This number is octoploid, main cultivated species Fragaria × ananassa (2n = 8x = 56). In genus Fragaria, basic chromosome number is seven (x = 7) and multiple levels of ploidy, ranging from diploid (2n = 2x = 14) to decaploid (F.

Gaur (Bos gaurus)	56	Bos gaurus.jpeg

Elephant (Elephantidae)	56	-

Woolly mammoth (Mammuthus primigenius)	58	-	extinct; tissue from a frozen carcass

Yak (Bos mutus)	60	-

Goat (Capra aegagrus hircus)	60	-	-

Cow/Bull (Bos primigenius)	60	-	Karyotype of cattle.PNG

American bison (Bison bison)	60	-

Bengal fox (Vulpes bengalensis)	60	-

Gypsy moth (Lymantria dispar dispar)	62	-

Donkey (Equus africanus asinus)	62	-

Scarlet macaw (Ara macao)	62–64	-	-

Mule	63	-	semi-infertile (odd number of chromosomes – between donkey (62) and horse (64) makes meiosis much more difficult)

Guinea pig (Cavia porcellus)	64	-	-

Spotted skunk (Spilogale x)	64	-

Horse (Equus ferus caballus)	64	-	-

Fennec fox (Vulpes zerda)	64	-

Echidna	63/64	-	63 (X1Y1X2Y2X3Y3X4Y4X5, male) and 64 (X1X1X2X2X3X3X4X4X5X5, female)

Chinchilla (Chinchilla lanigera)	64	-

Nine-banded armadillo (Dasypus novemcinctus)	64	-	-

Gray fox (Urocyon cinereoargenteus)	66	-

Red deer (Cervus elaphus)	68	-

Elk (Wapiti) (Cervus canadensis)	68	-

Roadside hawk (Rupornis magnirostris)	68	-	-

White-tailed deer (Odocoileus virginianus)	70	-

Black nightshade (Solanum nigrum)	72	-

Bat-eared fox (Otocyon megalotis)	72	-

Sun bear (Helarctos malayanus)	74	-

Sloth bear (Melursus ursinus)	74	Sloth Bear Washington DC.JPG

Polar bear (Ursus maritimus)	74	-

Brown bear (Ursus arctos)	74	-

Asiatic black bear (Ursus thibetanus)	74	-

American black bear (Ursus americanus)	74	-

Maned wolf (Chrysocyon brachyurus)	76	-

Gray wolf (Canis lupus)	78	-

Golden jackal (Canis aureus)	78	-

Dove (Columbidae)	78	-	Based on African collared dove

Dog (Canis lupus familiaris)	78	-	-	Normal dog karyotype is composed of 38 pairs of acrocentric autosomes and two metacentric sex chromosomes.

Dingo (Canis lupus dingo)	78	Canis lupus dingo - cleland wildlife park.JPG

Dhole (Cuon alpinus)	78	-

Coyote (Canis latrans)	78	-

Chicken (Gallus gallus domesticus)	78	-	-

African wild dog (Lycaon pictus)	78	-

Tropical pitcher plant (Nepenthes rafflesiana)	78	-

Turkey (Meleagris)	80	-

Sugarcane (Saccharum officinarum)	80	-	-	This is for S. officinarum (octoploid, 2n = 8× = 80).

Pigeon (Columbidae)	80	Paloma en la Ciudad de México.JPG

Great white shark (Carcharodon carcharias)	82	-

Hedgehog genus Erinaceus (woodland hedgehogs)	88	-

Moonworts (Botrychium)	90	-

Hedgehog Genus Atelerix (African hedgehogs)	90	-

Grape fern (Sceptridium)	90	-

Pittier's crab-eating rat (Ichthyomys pittieri)	92	Previously thought to be the highest number in mammals, tied with Anotomys leander.

prawn (Penaeus semisulcatus)	86–92	-

Aquatic rat (Anotomys leander)	92	Previously thought to be the highest number in mammals, tied with Ichthyomys pittieri.

Kamraj (fern) (Helminthostachys zeylanica)	94	-

Carp (Carassius carassius)	100	Cyprinus carpio.jpeg	-

Red viscacha rat (Tympanoctomys barrerae)	102	-	-	Highest number known in mammals, thought to be a tetraploid or allotetraploid.

Walking catfish (Clarias batrachus)	104	-	-

American paddlefish (Polyodon spathula)	120	Paddlefish underwater.jpeg	-

Northern lamprey (Petromyzontinae)	174	-

Rattlesnake fern (Botrypus virginianus)	184	Botrychium virginianum.JPG

Red king crab (Paralithodes camtschaticus)	208	-

Field horsetail (Equisetum arvense)	216	-

Agrodiaetus butterfly (Agrodiaetus shahrami)	268	This insect has one of the highest chromosome numbers among all animals.

Black mulberry (Morus nigra)	308	Morus-nigra.JPG	44-ploid

Atlas blue (Polyommatus atlantica)	448-452	-	-	2n = circa 448–452. Highest number of chromosomes in the non-polyploid eukaryotic organisms.

Adders-tongue (Ophioglossum)	1260	-	n=120–720 with a high degree of polyploidization Ophioglossum reticulatum n=720 in hexaploid species, 2n=1260 in decaploid species

Ciliated protozoa (Tetrahymena thermophila)	10 (in micronucleus)	-	50x = 12,500 (in macronucleus, except minichromosomes) 10,000x = 10,000 (macronuclear minichromosomes)

Ciliated protozoa (Oxytricha trifallax)	15,600 MAC chromosomes × 1900 ploidy level = 2.964 × 107 chromosomes	-	Macronuclear "nanochromosomes"; ampliploid.

Sentence(s)

With 134 pairs of chromosomes, Agrodiaetus has one of the highest chromosome numbers among all animals.

final_sentence: With 134 pairs of chromosomes, Agrodiaetus has one of the highest chromosome numbers among all animals.