### animal | vertebrate | fish | bony fish:

Puffer
* Most puffers live in warm, tropical oceans.
* Some puffers also have an additional line of defence of spines which cover their bodies
  - live in brackish and fresh water
* are classified as fin nippers
  - generally very hardy fish, and relatively simple to care for
  - sensitive to organic waste build-up in the water
  - smooth skinned while Porcupines have the characteristic spines or quills
* can be picky eaters
  - live for several years, and grow to the sizes listed in the table above
  - therefore store high concentrations of tetrodotoxin in various organs quite safely
* have a unique and comical way of swimming.
* is an albino, and is therefore off white all over and has pink eyes.
* produce a toxin in the skin and viscera.
* tend to be aggressive and usually do best kept alone.
+ Pufferfish: Edible fish

Pufferfish
* Some pufferfish can be poisonous.
* comprise another group of inflatable fishes.
* have two teeth on both the upper and lower jaws.
* inflate themselves by taking in amounts of water.

### animal | vertebrate | fish | bony fish:

Pumpkinseed
* are a vital intermediate link in the food chain
  - common in lakes and ponds and tend to become overpopulated
  - considered a pest in many areas where they have been introduced
  - deep-bodied and laterally compressed
  - the most abundant and widespread species of sunfish in New York State
  - very similar to the bluegill , and are often found in the same habitats
* cause no known negative economic impact.
* feed on a variety of organisms.from snails to small fish to insects
  - small food both at the surface of the water and at the bottom
* have little economic importance
  - similar feeding habits to other true sunfish
* inhabit dense vegetation to remain hidden from predators.
* populate many lakes and ponds, which are used by humans.
* tend to remain active throughout the day.

Rock bass
* Most rock bass has red eyes.
* are abundant in most of New York State's large rivers.
* are generally carnivorous
  - dull-looking fish
  - popular with many New York State anglers
  - small to medium sized sunfish, reaching six to ten inches in length
* build nests by scooping out depressions in gravel or sand beds.
* has eyes
* like to spawn on gravel or sandy substrates.

Sailfish
* appear outside the reef.
* are coastal fish that are caught along the deep edges of reefs
  - dark blue on the back with a white or silvery underside
* live in ocean waters throughout much of the world
  - warm seas around the world

### animal | vertebrate | fish | bony fish:

Salmonid
* Many salmonids have a dual life.
* are especially sensitive to stream temperatures in summer months
  - particularly susceptible, especially at the juvenile stage
  - salmon, trout and chars, e.g. bull trout
  - very active fish and they require lots of oxygen
* can become food for larger fish and animals like tuna, seals, dolphins and whales.
* find fresh, drifting eggs, to be irresistable.
* require a lot of clean, loose gravel.
* tend to prefer cool temperatures, and they can be found even in the Arctic Ocean.
* use two forms of cover, overhead and submerged.

### animal | vertebrate | fish | bony fish | salmonid:

Young salmonid
* are the most vulnerable.
* stay close to the coastline when they first reach the sea.

Sand eel
* feed on copepods which are zooplankton.
* prefer clean fine sand which permits a quick retreat from predators.

Scorpion fish
* Most scorpion fishes live on or near the bottom.
* are perch like fish with large, spiny heads and strong, sometimes venomous fin spines.
* like to sit around on the reef pretending to be rocks.
* live mainly in the reefs in the Pacific and Indian oceans.
* produce a floating, gelatinous mass in which the eggs are embedded.