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🌊 Marine Data Deficient 🌡️ Deep-water

Paraphyonus Merretti

Paraphyonus merretti Nielsen, 2015
Max Length
8.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
4453–4540 m
Climate
Deep-water
Resilience
High
Vulnerability
24.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Only three specimens were caught in bottom fishing gear at abyssal depths. The stomach of the holotype contained unidentifiable remains of crustaceans. Viviparous with the presence of 6 mm long embryos .

Scientific Name
Paraphyonus merretti
Authority
Nielsen, 2015
Habitat
Marine
Climate
Deep-water
IUCN Status
DD
Max Length
8.5 cm
Depth Range
4453–4540 m
Trophic Level
3.4
Resilience
High
Vulnerability
24.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Paraphyonus
Paraphyonus
Species
Paraphyonus Merretti
Paraphyonus merretti

🐟 Physical Description

Dorsal soft rays (total): 67 - 70; Anal soft rays: 49 - 52; Vertebrae: 64 - 65. This species is distinguished by the following set of characters: long rakers on first gill arch 14-16; D 67-70; precaudal vertebrae 29-30, total vertebra 64-65; height of head 21.0-23.0 % SL and origin of dorsal fin above vertebra no. 22 .Cross section: compressed.

🌀 Behaviour

Behavioural data for Paraphyonus Merretti is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 4453 - 4540 m . Deep-water Central Atlantic: off NW Africa.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00468 × L3.03 (TL)
Max TL
8.5cm
Dorsal Rays
69
Anal Rays
51
Vertebrae
65

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
24.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Deep-water
Described By
Nielsen, 2015

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