Rock cook
📖 Overview
Adults are found in eel-grass beds near rocks. Feed on small invertebrates . Eggs are laid in the summer in a seaweed nest . Males grow faster than females . Oviparous, distinct pairing during breeding . Used in salmon culture as cleaner fish (Helmut Tethmeyer, pers. comm.).
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 18 - 20; Dorsal soft rays (total): 5 - 7; Anal spines: 4 - 6; Anal soft rays: 6 - 8. Snout with 5-10 pores. Upper lip with 5-7 folds. Rows of scales on cheek 3-5, on inter-operculum 2 (7-11) scales, on temporo-occipital surface 5-8. Vertebrae 32-34. Preoperculum edge serrated. One row of scales on base of soft part of dorsal and anal fins . No black spots on the body or fins .: fusiform / normal.
🌀 Behaviour
Behavioural data for Rock cook is currently being reviewed.
🦐 Diet
🥚 Reproduction
Oviparous, distinct pairing during breeding . Males build dish shaped nests and guard the eggs . Also Ref. 103751.
🌍 Habitat & Distribution
Marine; reef-associated; depth range 3 - 10 m . Temperate; 80°N - 33°N, 47°W - 25°E
🌿 Ecology
small invertebrates (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🦠 Common Diseases
The following diseases are known to affect Rock cook.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .
👥 Community & Contribute
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