Shakhovskoy’s ridgehead
📖 Overview
Vertical migration of this fishh occurred at depths from 100-200 m to 1000-1250 m. At night, post-larvae (1.0-1.4 cm SL) and juveniles (1.5-1.7 cm SL) occurred at depths from 100-200 to 900-1000 m; and for sub-adults (1.8-2.1 cm SL) and adult fish (2.0-2.5 cm SL), from 500-600 to 1000-1250 m. At daytime, the fish migrated to greater depths: post-larvae and juvenile from 400-500 to 900-1000 m, and for sub-adults and adults from 700-800 to 900-1000 m. Most catches of were carried out by closing fishing gear .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 3; Dorsal soft rays (total): 11; Anal spines: 1; Anal soft rays: 8. This species is distinguished by the following characters: gill rakers at first gill arch 18; D III,11; pectoventral distance along the horizontal line between the verticals of the lower edge of the pectoral fin and the origin of the pelvic fin < 5% SL; body depth 25.4-26.4% SL; head length 37.5-40.2% SL; upper jaw length 55.6-59.5% HL; pectoral fin reaches the vertical line of middle of anal fin .Cross section: compressed.
🌀 Behaviour
Behavioural data for Shakhovskoy’s ridgehead is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; bathydemersal; depth range 100 - 1250 m . Tropical; 20°N - 40°S south from the Cap-Vert rift).
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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