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🌊 Marine Data Deficient 🌡️ Deep-water

Gigantactis Watermani

Gigantactis watermani Bertelsen, Pietsch & Lavenberg, 1981
Max Length
30.5 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
0–2100 m
Climate
Deep-water
Resilience
-
Vulnerability
27.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Gigantactis Watermani (Gigantactis watermani), first described by Bertelsen, Pietsch & Lavenberg, 1981 is a medium-sized fish in the family Gigantactinidae (order Lophiiformes). Adults typically reach 30.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 2100 metres. It occurs in Deep-water waters. Diet is predominantly piscivorous, targeting other fish and larger prey. On the IUCN Red List, it is classified as Data Deficient.

Scientific Name
Gigantactis watermani
Authority
Bertelsen, Pietsch & Lavenberg, 1981
Habitat
Marine
Climate
Deep-water
IUCN Status
DD
Max Length
30.5 cm
Depth Range
0–2100 m
Trophic Level
4.2
Vulnerability
27.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 5 - 6; Anal soft rays: 5. Metamorphosed females distinguished by the following characteristics: length of illicium 203-231% SL; five pairs of large distal escal filaments; 12-26 proximal filaments centered on anterior margin of escal bulb; absence of escal papillae; short dentary teeth (longest 2.5-2.6% SL), arranged posteriorly in four longitudinal series .

🌀 Behaviour

Behavioural data for Gigantactis Watermani 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; bathypelagic; depth range 0 - 2100 m . Deep-water

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L3.01 (TL)
Max TL
30.5cm
Dorsal Rays
6
Anal Rays
5

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2014

📊 Population Risk & Fisheries

Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
4.2
Apex / Top predator
Climate Zone
Deep-water
Described By
Bertelsen, Pietsch & Lavenberg, 1981

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