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🌊 Marine 🌡️ Deep-water

Spatulate rattail

Coelorinchus spathulatus McMillan & Paulin, 1993
Max Length
27.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
670–710 m
Climate
Deep-water
Resilience
Medium
Vulnerability
42.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Spatulate rattail (Coelorinchus spathulatus) 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 27.5 cm. It occurs at depths between 670 and 710 metres. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Coelorinchus spathulatus
Authority
McMillan & Paulin, 1993
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
Max Length
27.5 cm
Depth Range
670–710 m
Trophic Level
3.5
Resilience
Medium
Vulnerability
42.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 2. Ventral surface of head and lower jaw devoid of scales; large triangular naked areas on anterior dorsal snout; oval, narrow ventral dermal window of light organ before anus, about or less than half orbit diameter in length lateral and medial processes of nasal bones continuous; orbit small, 25.8-28.0% HL; snout long, 43.3-49.2% HL; trunk peppered with large melanophores below midline, dense ventrally; posteriorly melanophores numerous, rising above midline to reach dorsal surface; dorsal fin dark tipped .: elongated.

🌀 Behaviour

Behavioural data for Spatulate rattail 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 670 - 710 m . Deep-water Southwest Pacific: Wanganella Bank (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.5±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00257 × L3.19 (TL)
Max TL
27.5cm
Dorsal Spines
2

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
42.00/100
Moderate vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
McMillan & Paulin, 1993

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