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🌊 Marine 🌡️ Deep-water

Spiky oreo

Neocyttus rhomboidalis Gilchrist, 1906
Max Length
40 cm
Max Weight
2.0 kg
Lifespan
100 yrs
Trophic Level
3.6
Depth
200–1240 m
Climate
Deep-water
Resilience
Very low
Vulnerability
70.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Inhabit continental slopes , forming large shoals over rough ground near pinnacles and canyons . Juveniles are pelagic and tend to be dispersed over smooth grounds . Feed on salps, fish, crustaceans and squid . Eggs float near the surface and larvae also inhabit surface waters .

Scientific Name
Neocyttus rhomboidalis
Authority
Gilchrist, 1906
Habitat
Marine
Climate
Deep-water
Body Shape
Short and / or deep
Max Length
40 cm
Max Weight
2 kg
Lifespan
100 years
Depth Range
200–1240 m
Trophic Level
3.6
Resilience
Very low
Vulnerability
70.00/100
Migration
Oceanodromous
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 33 - 35; Anal spines: 3 - 4; Anal soft rays: 30 - 33. Body grey, fins dark .: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Spiky oreo is currently being reviewed.

🦐 Diet

Diet information for Spiky oreo is currently being compiled.

🥚 Reproduction

Size at Maturity
34cm TL

Displays seasonally synchronised reproduction.

🌍 Habitat & Distribution

Marine; bathypelagic; oceanodromous ; depth range 200 - 1240 m , usually 450 - 800 m . Deep-water; 23°S - 48°S, 81°W - 176°W Southeast Atlantic: off Walvis Bay, Namibia to Cape Province, South Africa.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Migration
Oceanodromous
Trophic Level
3.6±0.53
Food Items

salps, fish, crustaceans and squid (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01698 × L3.01 (TL)
Max TL
40cm
Max Weight
2,000g
Dorsal Spines
7
Dorsal Rays
34
Anal Spines
4
Anal Rays
32

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
70.00/100
High vulnerability
Trophic Level
3.6
Predator
Body Shape
Short and / or deep
Climate Zone
Deep-water
Described By
Gilchrist, 1906

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Cyttosoma rhomboidalis Gilchrist 1906 Synonym
Neocyttus rhomboidalis gibbosus McCulloch 1914 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 44 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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