Term: stickleback: small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research
Broader: aquatic vertebrate: animal living wholly or chiefly in or on water | Unrelated: rockabilly: a fusion of black music and country music that was popular in the 1950s; sometimes described as blues with a country beat
Broader: aquatic vertebrate: animal living wholly or chiefly in or on water | Unrelated: decimal fraction: a proper fraction whose denominator is a power of 10
Broader: aquatic vertebrate: animal living wholly or chiefly in or on water | Unrelated: nolina: perennial plants resembling yucca; found in southern United States and Mexico
Broader: aquatic vertebrate: animal living wholly or chiefly in or on water | Unrelated: academy: a secondary school (usually private)
Broader: aquatic vertebrate: animal living wholly or chiefly in or on water | Unrelated: leak: a euphemism for urination
Broader: aquatic vertebrate: animal living wholly or chiefly in or on water | Unrelated: salter: someone who makes or deals in salt
Broader: aquatic vertebrate: animal living wholly or chiefly in or on water | Unrelated: imbroglio: a very embarrassing misunderstanding
Broader: aquatic vertebrate: animal living wholly or chiefly in or on water | Unrelated: harness horse: horse used for pulling vehicles
Broader: aquatic vertebrate: animal living wholly or chiefly in or on water | Unrelated: external gill: occurs in some mollusks and in tadpoles and other immature amphibians
Broader: aquatic vertebrate: animal living wholly or chiefly in or on water | Unrelated: pauropoda: an obscure class of minute arthropods with branched antennae and 8 to 10 pairs of legs