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🌊 Marine Least Concern 🌡️ Deep-water

Ridgehead

Melamphaes simus Ebeling, 1962
Max Length
3.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
0–800 m
Climate
Deep-water
Resilience
High
Vulnerability
30.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Adults found mainly below 150-200 m . Larvae and juveniles primarily found in depths as shallow as 35-40 m . Oviparous, with planktonic eggs and larvae . Collections were done mainly by using nonclosing nets .

Scientific Name
Melamphaes simus
Authority
Ebeling, 1962
Habitat
Marine
Climate
Deep-water
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
3.1 cm
Depth Range
0–800 m
Latitude
40°S – 40°N
Trophic Level
3
Resilience
High
Vulnerability
30.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 3; Dorsal soft rays (total): 15 - 17; Anal spines: 1; Anal soft rays: 8 - 10; Vertebrae: 28 - 30. Branchiostegal rays: 8 . Head with obtuse angle in the frontal margin over front of eye. Preopercular angle with a feeble protection marking end of weak ridge .: fusiform / normal.

🌀 Behaviour

Behavioural data for Ridgehead is currently being reviewed.

🦐 Diet

Diet information for Ridgehead is currently being compiled.

🥚 Reproduction

🐣 Oviparous
Size at Maturity
2.5cm TL

Oviparous .

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 0 - 800 m , usually 150 - 200 m . Deep-water; 40°N - 40°S Southeast Pacific: Chile (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3

📐 Morphometrics

Length–Weight Relationship: W = 0.01096 × L3.1 (TL)
Max TL
3.1cm
Dorsal Spines
3
Dorsal Rays
16
Anal Spines
1
Anal Rays
9
Vertebrae
29

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
30.00/100
Low vulnerability
Trophic Level
3
Predator
Body Shape
Fusiform / normal
Climate Zone
Deep-water
Latitude Range
40°N – 40°S
Described By
Ebeling, 1962

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Ridgehead
🌍CES velkošupinatka hřebenitá
🇷🇺Russian Тупоносый меламфай

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 45 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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