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🌊 Marine 🌡️ Deep-water

Halicmetus Odysseus

Halicmetus odysseus Prokofiev, 2020
Max Length
8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
680–750 m
Climate
Deep-water
Resilience
Medium
Vulnerability
31.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Halicmetus Odysseus (Halicmetus odysseus) is a ray-finned fish of the family Ogcocephalidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 8 cm. It occurs at depths between 680 and 750 metres. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Halicmetus odysseus
Authority
Prokofiev, 2020
Habitat
Marine
Climate
Deep-water
Max Length
8 cm
Depth Range
680–750 m
Trophic Level
3.3
Resilience
Medium
Vulnerability
31.00/100
Salinity
30–40 ppt

🐟 Physical Description

This species is without any body pigmentation in preserved specimens; with brownish peritoneum bearing rare large black melanophores; no bucklers (even small ones) on the dorsal (beyond the boundaries of the neurocranium) and ventral surfaces of the disc; with low blunted apices of bucklers along the edge of the disc and in the caudal region; acicular spines are with narrow bases with one or two points; with a notched upper edge of the illicial cavity, not projecting forward in profile; a short (about half the horizontal eye diameter) subopercular spine; moderate eye (7.5% SL) and a narrow interorbital space (5.6% SL); caudal section of the body constituting 42.5% SL; D without rays .Cross section: flattened.

🌀 Behaviour

Behavioural data for Halicmetus Odysseus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 680 - 750 m . Deep-water Central Pacific: South China Sea.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01514 × L2.93 (TL)
Max TL
8cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
31.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Deep-water
Described By
Prokofiev, 2020

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