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🌊 Marine 🌡️ Subtropical

Bigfin mora

Pterophycis spatium Ho, 2019
Max Length
24.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
43.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Bigfin mora (Pterophycis spatium), first described by Ho, 2019 is a medium-sized fish. Adults typically reach 24.30 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Pterophycis spatium
Authority
Ho, 2019
Habitat
Marine
Climate
Subtropical
Max Length
24.3 cm
Trophic Level
3.4
Resilience
Medium
Vulnerability
43.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Pterophycis
Pterophycis
Species
Bigfin mora
Pterophycis spatium

🐟 Physical Description

Dorsal soft rays (total): 75; Anal soft rays: 71; Vertebrae: 55. This genus is distinguished by the following characters: with a ventral light organ; differs from all other genera in the family by having a genital papilla separated from anus by several small scales, a large pelvic fin with all rays elongated; snout broad and rounded, not shelf-like; palatines and vomer toothless; swimbladder with elongate projections that attached to openings at rear of the skull; pelvic-fin rays 7; first dorsal fin short-based, with 8 rays; second dorsal and anal fins long-based, with margins not indented .Cross section: oval.

🌀 Behaviour

Behavioural data for Bigfin mora 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; pelagic-neritic; depth range ? - 100 m . Subtropical

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00661 × L3.16 (TL)
Max TL
24.3cm
Dorsal Rays
75
Anal Rays
71
Vertebrae
55

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
43.00/100
Moderate vulnerability
Trophic Level
3.4
Predator
Climate Zone
Subtropical
Described By
Ho, 2019

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