HomeFish encyclopediaRay-finned fishesPerch-like fishPike-, tube- and flagblenniesSarcastic fringehead Sarcastic fringehead (Neoclinus blanchardi) Scientific name: Neoclinus blanchardi Girard, 1858 The Sarcastic fringehead (Neoclinus blanchardi) is a marine fish of the family Chaenopsidae. Native range: Eastern Pacific, San Francisco in California, USA to central Baja California, Mexico. BiologyUsually occurs on exposed coast, on sand or hard mud bottom below low tide, rarer in bays. Usually found inside objects, especially mollusk shells, clam burrows and bottles. Demersal spawners in nearshore habitats. Female deposits eggs in clam burrows or under rocks, male guards them.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNeoclinus blanchardiFamilyChaenopsidae (Pike-, tube- and flagblennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Depth range3–73 m (10–240 ft)EnvironmentMarine; demersal; depth range 3 - 73 mClimateSubtropicalDistributionEastern Pacific: San Francisco in California, USA to central Baja California, Mexico.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tmax=6) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026