Rockhead
📖 Overview
Inhabits intertidal areas and to 18 m depth . Frequently caught in tide pools . Its food consists mainly of tiny crustaceans (shrimp and crab-like creatures) which are picked from the bottom or very close to it . Demersal spawner in nearshore habitats .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 2 - 5; Dorsal soft rays (total): 4 - 5; Anal spines: 0; Anal soft rays: 4 - 5; Vertebrae: 32. Dorsal fins small; caudal fin rounded; pectoral fins large, supported well out from sides of body; pelvic fins very narrow and rays appear fused . Color very variable, depending on background; brown with dark bars, orange with bluish bars, or scarlet with brown bars .: fusiform / normal.
🌀 Behaviour
Behavioural data for Rockhead is currently being reviewed.
🦐 Diet
Diet information for Rockhead is currently being compiled.
🥚 Reproduction
Demersal spawners.
🌍 Habitat & Distribution
Marine; demersal; depth range 0 - 18 m . Temperate; 60°N - 35°N, 155°W - 121°W
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Bathyagonus swani | Steindachner | 1876 | Synonym |
| Hypsagonus swanii | Steindachner | 1876 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
👥 Community & Contribute
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