Laubuka Bleeker 1859
Creators: name: Htay, Khin Yadanar
name: Song, Xin-Yuan
name: Oo, Thaung Naing
name: Chen, Xiao-Yong
Publisher: name: Zenodo
Year: 2025
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Cypriniformes
Danionidae
Laubuka

description: Key to Laubuka species in South and southeast Asia
1) Pelvic fin elongated, surpassing anal-fin origin............................................................. 2
- Pelvic fin short, not reaching or extending beyond anus....................................................... 4
2) Branched pectoral-fin rays 9, anal-fin rays 14½–15½................................................. L. fasciata
- Branched pectoral-fin rays 10–12, anal-fin rays 17½–19½.................................................... 3
3) Branched pelvic-fin rays 6, scales between dorsal-fin origin and lateral line 6½, pelvic-fin length 31.2–35.3% SL.... L. hema
- Branched pelvic-fin rays 5, scales between dorsal-fin origin and lateral line 7½, pelvic-fin length 23.2–26.9% SL... L. latens
4) Presence of distinct short vertical bars on the anterior side.................................................... 5
- Absence of short vertical bars on the anterior side........................................................... 8
5) Branched dorsal-fin rays11½–12½........................................................ L. caeruleostigmata
- Branched dorsal-fin rays 8½–9 ½......................................................................... 6
6) Presence of dense tubercles on the lower jaw............................................................... 7
- No tuberculation on the lower jaw................................................................ L. varuna
7) Lateral-line scales 29–32, pelvic-fin length 14.9–20.8% SL............................................. L. tenella
- Lateral-line scales 34–37, pelvic-fin length 26.0–28.5% SL........................................... L. lankensis
8) Presence of a prominent midlateral line along the side or on the posterior side of body both in preserved and live specimens. ................................................................................................... 9
- Presence of an indistinct midlateral line on posterior side of body, or absence in live specimens...................... 12
9) Predorsal scales 20........................................................................... L. siamensis
- Predorsal scales 14–18............................................................................... 10
10) Presence of a caudal-peduncle spot...................................................................... 11
- Absence of a caudal-peduncle spot........................................................... L. parafasciata
11) Body depth 18.8–20.1% SL, caudal-peduncle depth 6.4–7.3% SL, predorsal length 61.6–66.4% SL............. L. trevori
- Body depth 29.7–37.7% SL, caudal-peduncle depth 9.0–10.1% SL, predorsal length 74.0–77.0% SL........... L. laubuca
12) Lateral line incomplete, lateral line scales 16–25............................................... L. khujairokensis
- Lateral line complete, lateral line scales 28–30............................................................. 13
13) Dorsal-fin-base length less than half of anal-fin-base length, branched pelvic-fin rays 6, branched pectoral-fin rays 9–10............................................................................................ L. myitthaensis
- Dorsal-fin-base length more than half of anal-fin-base length, branched pelvic-fin rays 4–5, branched pectoral-fin rays 7–8.......................................................................................... L. indawgyiana
description: Published as part of Htay, Khin Yadanar, Song, Xin-Yuan, Oo, Thaung Naing & Chen, Xiao-Yong, 2025, A review of genus Laubuka (Cypriniformes: Danionidae) in Myanmar with description of two new species, pp. 221-248 in Zootaxa 5618 (2) on pages 244-245, DOI: 10.11646/zootaxa.5618.2.3, http://zenodo.org/record/15217617