Bighead searobin belong to the family Triglidae. They are all bottom dwelling fish. There unique heads, winglike pectoral fins and with the first few rays detached to look like fingers are identifing charactoristics of these fish. The scientific name of the bighead searobin is Prionotus tribulus. Bighead searobins reach lengths of 14 inches. They are more robust than most other searobins. Bighead searobins range from the New York down to Mexico. They live in shallow waters along the coast.