Hymenocephalus Striatulus
📖 Overview
Benthopelagic . Feeds mainly on pelagic organisms, copepods (Pleuromamma sp., Oncaea conifera, Xanthocalanus sp., Aetideidae spp.); also on small fish, chaetognaths, gammarids (Lysianassidae), shrimp (Bentheogennema pasithea), and mysids (Paralophogaster glaber); benthic polychaetes, including family Polinoidae .
🔬 Taxonomy
🐟 Physical Description
This species is distinguished by the following characters: pelvic fin rays 14-15; pectoral fin rays 15-18; projecting snout, 20-25% HL; rudimentary or very short barbel, 0-3% HL, does not reach vertical through anterior margin of orbit; moderate orbit diameter, 32-39% HL (usually 33-38%HL); infraorbital width 10-12% HL; moderately long preopercular supporter, with obtuse angle at rear margin, 3-4% HL; 25-29 gill rakers; ventral striae reaching to ½ from pelvic fin bases to periproct; otolith has moderately high predorsal lobe, with colliculi separated, closely placed across collum, terminating far from anterior and posterior rims of otolith; otolith length to height (OL:OH), 0.9-1.0; total colliculum length to pseudocolliculum length (TCL:PCL), 1.7-2.0 .Cross section: compressed.
🌀 Behaviour
Behavioural data for Hymenocephalus Striatulus is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; benthopelagic; depth range 101 - 800 m . Deep-water Central Pacific: known only from the Hawaiian Islands and Sala y Gomez Ridge.
🌿 Ecology
pelagic organisms, copepods (Pleuromamma sp
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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