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🌊 Marine Data Deficient 🌡️ Deep-water

Blackedge conger

Bathycongrus retrotinctus Jordan & Snyder, 1901
Max Length
54 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
150–450 m
Climate
Deep-water
Resilience
Medium
Vulnerability
40.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Blackedge conger (Bathycongrus retrotinctus), first described by Jordan & Snyder, 1901 is a large fish in the family Congridae (order Anguilliformes). Adults typically reach 54.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 150 to 450 metres. It occurs in Deep-water waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Data Deficient.

Scientific Name
Bathycongrus retrotinctus
Authority
Jordan & Snyder, 1901
Habitat
Marine
Climate
Deep-water
IUCN Status
DD
Max Length
54 cm
Depth Range
150–450 m
Trophic Level
3.9
Resilience
Medium
Vulnerability
40.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Body moderately elongate. Tail slender, attenuate at tip. Snout bluntly pointed, protruding beyond tip of lower jaw. Preserve specimen, head and body pale brown dorsally, much paler on belly. Caudal fin black, pectoral fin pale . Dorsal-fin origin slightly behind anteriormost insertion of pectoral fin to above middle of appressed fin. Preanal lateral line pores 29-32 .: eel-like.

🌀 Behaviour

Behavioural data for Blackedge conger 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 150 - 450 m . Deep-water

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.9±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00062 × L3.19 (TL)
Max TL
54cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
40.00/100
Moderate vulnerability
Trophic Level
3.9
Predator
Climate Zone
Deep-water
Described By
Jordan & Snyder, 1901

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Bathycongrus randalli Ben-Tuvia 1993 Synonym
Leptocephalus retrotinctus Jordan & Snyder 1901 Synonym
Rhechias retrotincta Jordan & Snyder 1901 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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