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🌊 Marine Least Concern 🌡️ Deep-water

Nobulb Loosejaw

Aristostomias grimaldii Zugmayer, 1913
Max Length
18.2 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
25–800 m
Climate
Deep-water
Resilience
Medium
Vulnerability
31.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Nobulb Loosejaw (Aristostomias grimaldii) is a ray-finned fish of the family Stomiidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 18.2 cm. It occurs at depths between 25 and 800 metres. With a trophic level of 4.2, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Aristostomias grimaldii
Authority
Zugmayer, 1913
Habitat
Marine
Climate
Deep-water
IUCN Status
LC
Max Length
18.2 cm
Depth Range
25–800 m
Latitude
35°S – 35°N
Trophic Level
4.2
Resilience
Medium
Vulnerability
31.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 23; Anal spines: 0; Anal soft rays: 27. Series of luminous dots running backward from area between eye and postorbital luminous organ; barbel ending in a poorly defined, slightly thickened terminal part .

🌀 Behaviour

Behavioural data for Nobulb Loosejaw 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 25 - 800 m . Deep-water; 35°N - 35°S, 98°W - 154°W north of western New Guinea, record at 22°N 172°E.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.2±0.73

📐 Morphometrics

Length–Weight Relationship: W = 0.00407 × L3.1 (TL)
Max TL
18.2cm
Dorsal Rays
23
Anal Rays
27

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
31.00/100
Low vulnerability
Trophic Level
4.2
Apex / Top predator
Climate Zone
Deep-water
Latitude Range
35°N – 35°S
Described By
Zugmayer, 1913

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Nobulb Loosejaw
🌍CES pestrosvítivec Grimaldův
🇫🇮Finnish valoposkikitakala
🇯🇵Japanese アゴヌケホシエソ
🇵🇹Portuguese Peixe-semáforo-do-Indo-Pacífico
🇷🇺Russian Аристостомия Гримальди
🇪🇸Spanish mandibulón barbudo

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 5 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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