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🌊 Marine Least Concern 🌡️ Deep-water

Slender snaggletooth

Rhadinesthes decimus Zugmayer, 1911
Max Length
41 cm
Max Weight
-
Lifespan
-
Trophic Level
4.1
Depth
0–4900 m
Climate
Deep-water
Resilience
Medium
Vulnerability
50.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

An oceanic and mesopelagic-bathypelagic species . Usually found deeper than 500 m during the day . Feeds on midwater fishes and crustaceans .

Scientific Name
Rhadinesthes decimus
Authority
Zugmayer, 1911
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
LC
Max Length
41 cm
Depth Range
0–4900 m
Latitude
46°S – 65°N
Trophic Level
4.1
Resilience
Medium
Vulnerability
50.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 11 - 13; Anal spines: 0; Anal soft rays: 18 - 21. Teeth on upper jaw slender, all short, widely spaced; 10 to 12 on premaxillary, 14 to 30 teeth on maxillary. No well-developed canines in jaws. Pelvic insertion nearer to tip of snout than to caudal base. Dorsal origin well behind pelvic insertion. Dorsal adipose fin absent.: elongated.

🌀 Behaviour

Behavioural data for Slender snaggletooth 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 - 4900 m . Deep-water; 65°N - 46°S, 180°W - 180°E South Pacific, and central North Pacific.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.1±0.68
Food Items

midwater fishes and crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00417 × L3.05 (TL)
Max TL
41cm
Dorsal Rays
12
Anal Rays
20

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2013

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
50.00/100
Moderate-High vulnerability
Trophic Level
4.1
Apex / Top predator
Body Shape
Elongated
Climate Zone
Deep-water
Latitude Range
65°N – 46°S
Described By
Zugmayer, 1911

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 21 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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