- List some ways that fish are important.
Further Reading / Supplemental Links
- Unabridged Dictionary, Second Edition. Random House, New York, 1998.
- http://kids.nationalgeographic.com/Animals
- http://www.fws.gov/educators/students.html
- http://www.igfa.org/kidshome.asp
- http://www.pbs.org/emptyoceans/educators/activities/fish-youre-eating.html
- http://en.wikipedia.org
Vocabulary
agnatha A superclass of jawless fish, belonging to the phylum Chordata, subphylum Ver-
tebrata.
aquaculture The raising of aquatic plants and animals, especially seaweed, shellfish and
other fish, in environments either natural or with controlled freshwater or marine con-
ditions.
barbels A thin structure on the external part of the head, such as the jaw, mouth or
nostrils, of certain fishes.
chondrichthyes The group of cartilaginous fishes, containing sharks, rays, skates and
chimaeras.
ectothermic Cold-blooded
osteichthyes Contains all the bony fish, divided into the ray-finned and lobe finned fish.
ovoviviparous reproduction The eggs develop inside the mother’s body after internal
fertilization, and depend on the yolk for most of the nutrition; the young are born
alive.
placoid Plate-like, as in the scales of sharks.