Crossword Clue:

CHONDRICHTHYAN a technical name for a cartilaginous fish

AnswerCrossword Clue
WANDATitle name for a fish
TETRAAquarium fish with a name that derives from the Greek for "four-sided wing"
GARFish whose name comes from the Old English for "spear"
PORPOISEMammal whose name derives from the Latin words for "pig" and "fish"