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🌊 Marine Least Concern 🌡️ Deep-water

Smallscale smooth-head

Bathytroctes microlepis Günther, 1878
Max Length
32.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
0–4900 m
Climate
Deep-water
Resilience
Medium
Vulnerability
45.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Smallscale smooth-head (Bathytroctes microlepis), first described by Günther, 1878 is a medium-sized fish in the family Alepocephalidae (order Alepocephaliformes). Adults typically reach 32.30 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 4900 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 Least Concern.

Scientific Name
Bathytroctes microlepis
Authority
Günther, 1878
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
LC
Max Length
32.3 cm
Depth Range
0–4900 m
Latitude
22°S – 54°N
Trophic Level
3.5
Resilience
Medium
Vulnerability
45.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Cheeks or the upper part of the operculum without scales (less than 2 scale rows below the postorbital canal). Transverse scale rows at least ten more than the lateral line (rarely less than 10) .: elongated.

🌀 Behaviour

Behavioural data for Smallscale smooth-head 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; bathypelagic; depth range 0 - 4900 m , usually ? - 1800 m . Deep-water; 54°N - 22°S, 91°W - 95°E South China Sea, southeast Pacific and in tropical waters of the eastern Indian Ocean.

🌿 Ecology

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

📐 Morphometrics

Length–Weight Relationship: W = 0.00339 × L3.19 (TL)
Max TL
32.3cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
45.00/100
Moderate vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Latitude Range
54°N – 22°S
Described By
Günther, 1878

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Bathyroctes danae Parr 1951 Synonym
Bathytroctes danae Parr 1951 Synonym
Bathytroctes grimaldii Zugmayer 1911 Synonym
Grimatroctes bullisi Grey 1958 Synonym
Grimatroctes grimaldii Zugmayer 1911 Synonym
Grimatroctes microlepis Günther 1878 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 18 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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