Northern rockfish

📖 Overview

Northern rockfish (Sebastes polyspinis), first described by Taranetz & Moiseev, 1933 is a large fish in the family Sebastidae (order Perciformes). Adults typically reach 41.00 cm in maximum length. Reported lifespan reaches approximately 57 years. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 740 metres. It occurs in Temperate waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 14; Anal spines: 3. Head spines very weak - nasal spines present, preocular, postocular and parietal spines usually present, supraocular, tympanic, coronal and nuchal spines absent . The only rockfish in the eastern Gulf of Alaska with 14 dorsal fin spines; second anal fin spine as long as the 3rd . Top of head convex between eyes . Dark red with gray mottling and orange flecks; lower edge of pectoral fin white .: fusiform / normal.

🌀 Behaviour

Behavioural data for Northern rockfish is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; demersal; depth range 0 - 740 m . Temperate; 62°N - 48°N, 153°E - 123°W North Pacific: Kurile Islands to eastern Kamchatka to Pervenets Canyon in the Bering Sea and from Stalemate Bank to Graham Island (Queen Charlotte Islands), British Columbia, Canada.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

📊 Population Risk & Fisheries

🌐 Names & Taxonomy

Scientific Synonyms

🐠 Related Species

🔍 Similar Species

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

👥 Community & Contribute