prickleback

Noun prickleback has 2 senses

• prickleback(n = noun.animal) - small elongate fishes of shallow northern seas; a long dorsal fin consists entirely of spines;
is a kind of blennioid, blennioid fish
has particulars: lumpenus lumpretaeformis, snakeblenny, eelblenny

• prickleback(n = noun.animal) stickleback - small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research;
is a member of family gasterosteidae, gasterosteidae
has particulars: gasterosteus aculeatus, three-spined stickleback, gasterosteus pungitius, ten-spined stickleback
is a kind of acanthopterygian, spiny-finned fish