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🌊 Marine 🌡️ Deep-water

Osteodiscus Rhepostomias

Osteodiscus rhepostomias Stein, 2012
Max Length
4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Deep-water
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Osteodiscus Rhepostomias (Osteodiscus rhepostomias), first described by Stein, 2012 is a tiny fish in the family Liparidae (order Perciformes). Adults typically reach 4.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Deep-water waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.

Scientific Name
Osteodiscus rhepostomias
Authority
Stein, 2012
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
Max Length
4 cm
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 46 - 47; Anal soft rays: 41 - 44. This species is distinguished by the following characters: mouth distinctly oblique, not horizontal; dorsal fin rays 46-47; anal fin rays 41-44; caudal fin rays 10; pectoral fin rays 24; gill opening above pectoral fin and extending ventrally in front of about 9 rays; radials apparently 2 (1+0+0+1) .: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Osteodiscus Rhepostomias 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 ? - 2821 m . Deep-water Southwest Pacific: known only from the types, collected in the Bounty Trough southeast of New Zealand.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.15 (TL)
Max TL
4cm
Dorsal Rays
47
Anal Rays
43

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Stein, 2012

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