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🌊 Marine Data Deficient 🌡️ Deep-water

Longfin bonefish

Nemoossis belloci Cadenat, 1937
Max Length
40 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
20–500 m
Climate
Deep-water
Resilience
Medium
Vulnerability
36.00/100
Typical Length
33 cm
Depth Zone
deep-water

📖 Overview

Common on the continental slope . Found on muddy bottoms . Feeds on benthic copepods and polychaetes .

Scientific Name
Nemoossis belloci
Authority
Cadenat, 1937
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
DD
Max Length
40 cm
Depth Range
20–500 m
Latitude
35°S – 22°N
Trophic Level
3
Resilience
Medium
Vulnerability
36.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 51 - 57; Anal spines: 0; Anal soft rays: 11 - 13; Vertebrae: 88 - 92. This species is distinguished by the following set of characters (counts & % in parentheses for lectotype): no supraneural bones; dorsal-fin rays 51-57 (mode 52); total vertebrae 88-92 (91); pored lateral-line scales 79-89 (84); pre-dorsal scale rows 3-8 (8); head length 24-32 % (mean 30 %) of SL); pectoral-fin length 16-21 % (19 %) of SL; pre-dorsal-fin length 27-34 % (30 %) of SL; dorsal-fin base length 53-64 % (60 %) of SL; postorbital length 13-16 % (14 %) of SL; upper caudal-fin length 18-31 % (24 %) of SL .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Longfin bonefish is currently being reviewed.

🦐 Diet

Diet information for Longfin bonefish is currently being compiled.

🥚 Reproduction

Spawn Location
Open water

Spawning occurs in open waters. Eggs are pelagic .

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 20 - 500 m , usually 100 - 400 m . Deep-water; 22°N - 35°S, 18°W - 20°E

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3±0.17
Food Items

benthic copepods and polychaetes (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00513 × L3.09 (TL)
Max TL
40cm
Dorsal Rays
54
Anal Rays
12
Vertebrae
90

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
36.00/100
Moderate vulnerability
Trophic Level
3
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Latitude Range
22°N – 35°S
Described By
Cadenat, 1937

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Long-fin Bonefish
🌍CES gisu africký
🇵🇹Portuguese Gissu-do-Atlântico
🇷🇺Russian Африканская гису · Африканская птеротрисса · Белоция

Scientific Synonyms

Scientific Name Author Year Status
Pterothrissus belloci Cadenat 1937 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 682 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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