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🌊 Marine Least Concern 🌡️ Subtropical

Polka-dot cusk-eel

Otophidium omostigma Jordan & Gilbert, 1882
Max Length
12.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
10–50 m
Climate
Subtropical
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Uncommon species . Oviparous, with oval pelagic eggs floating in a gelatinous mass . Minimum depth from Ref. 37039.

Scientific Name
Otophidium omostigma
Authority
Jordan & Gilbert, 1882
Habitat
Marine
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
12.9 cm
Depth Range
10–50 m
Trophic Level
3.5
Resilience
High
Vulnerability
15.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 102 - 106; Anal spines: 0; Anal soft rays: 82 - 85. A distinct black blotch present just above gill cover; two or three rows of dark brownish blotches on body; dorsal fin with blackish blotches along margin; anal black; caudal pale; snout spine situated between posterior nostril and covered with skin; anal wide, flat spine on opercle; gill rakers short .: elongated.

🌀 Behaviour

Behavioural data for Polka-dot cusk-eel 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; demersal; depth range 10 - 50 m . Subtropical; 37°N - 10°N North Carolina to Florida and the northern Gulf of Mexico; also in the Lesser Antilles; extending to northern South America (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.5±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00275 × L3.16 (TL)
Max TL
12.9cm
Dorsal Rays
104
Anal Rays
84

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2013

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Jordan & Gilbert, 1882

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Genypterus omostigma Jordan & Gilbert 1882 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 40 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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