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🌊 Marine Data Deficient 🌡️ Tropical

Dysomma Polycatodon

Dysomma polycatodon Karrer, 1983
Max Length
60 cm
Max Weight
-
Lifespan
-
Trophic Level
4
Depth
100–175 m
Climate
Tropical
Resilience
-
Vulnerability
28.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Dysomma Polycatodon (Dysomma polycatodon) is a ray-finned fish of the family Synaphobranchidae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 60 cm. It occurs at depths between 100 and 175 metres. With a trophic level of 4, it is a mid-level predator. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Dysomma polycatodon
Authority
Karrer, 1983
Habitat
Marine
Climate
Tropical
IUCN Status
DD
Max Length
60 cm
Depth Range
100–175 m
Trophic Level
4
Vulnerability
28.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Vertebrae: 128 - 133. This species is distinguished by the following characters: with pectoral fin; dorsal-fin origin anterior to level of pectoral fin base, predorsal length 10.0-12.9% TL; anus anterior, just below pectoral fin, preanal length 15.5-18.2% TL; very short trunk, its length 2.4-3.9% TL; intermaxillary teeth 2; compound teeth on vomer 3; upper jaw with 3 or 4 rows small sharp teeth; lower jaw with a single row of 2 large anterior teeth followed by 22-31 small sharp teeth; head pores: IO 4, SO 3, M 6, POP 0 (1 with 1), AD 1 (1with 0); lateral-line pores: predorsal 3-5, prepectoral 5-7, preanal 8-11, and total 65-78, the last at about anterior two-thirds of total length; MVF 8-13-130, total vertebrae 128-133 (1 with 120); colour of body light grayish to brown dorsally, paler ventrally; posterior half of anal-fin base deep brown, and dorsal and anal fins with white margins .: eel-like; Cross section: oval.

🌀 Behaviour

Behavioural data for Dysomma Polycatodon is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; benthopelagic; depth range 100 - 175 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00102 × L3.06 (TL)
Max TL
60cm
Vertebrae
131

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2019

📊 Population Risk & Fisheries

Fishing Vulnerability
28.00/100
Low vulnerability
Trophic Level
4
Apex / Top predator
Climate Zone
Tropical
Described By
Karrer, 1983

🌐 Names & Taxonomy

Language Common Names
🌍CES tupohlavec madagaskarský
🇨🇳Chinese 合鰓鰻 · 多齒前肛鰻 · 多齒前肛鰻(合鰓鰻)

🗺️ 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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