Plaintail whiptail
📖 Overview
Plaintail whiptail (Hymenocephalus aeger) is a ray-finned fish of the family Macrouridae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 12.7 cm. It occurs at depths between 430 and 527 metres. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms.
🔬 Taxonomy
🐟 Physical Description
This species is distinguished by the following characters: 8 pelvic-fin rays; 13-15 pectoral-fin rays; 19-23 gill rakers; the barbel is long, 20-25% HL, reaching beyond a vertical through anterior rim of orbit; orbit 35-40% HL; obtuse snout is slightly protruding, 15-18% HL; ventral striae extending to about ? the distance from pelvic fin bases to periproct; long infraorbital supporter, 70-90% OD; otolith compressed, OL:OH = 0.9-1.0; fused colliculi; long pseudocolliculum, TCL:PCL = 1.25-1.45 .: elongated; Cross section: compressed.
🌀 Behaviour
Behavioural data for Plaintail whiptail is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; bathypelagic; depth range 430 - 527 m . Tropical
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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