Southern flathead sculpin (Megalocottus taeniopterus) is a ray-finned fish of the family Cottidae. It inhabits diadromous, migrating between freshwater and the sea waters in benthic environments. With a trophic level of 3.6, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.
This species differs from M. platycephalus by its relative length of lower jaw, extent of development of postorbital and occipital tubers, color of pectoral fins, shape of free ends of ventral fin rays, and relative length and color of females .
Behavioural data for Southern flathead sculpin is currently being reviewed.
Diet information for Southern flathead sculpin is currently being compiled.
Reproduction data for Southern flathead sculpin is currently being compiled.
Marine; freshwater; brackish; demersal. Boreal South Sakhalin in Russia.
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