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🌊 Marine Least Concern 🌡️ Temperate

Ocellate triplefin

Apopterygion oculus Fricke & Roberts, 1994
Max Length
6.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
14–186 m
Climate
Temperate
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Adults are said to be associated with red coralline gravel and shell substrates . Eggs are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites . Larvae are planktonic which occur primarily in shallow, nearshore waters .

Scientific Name
Apopterygion oculus
Authority
Fricke & Roberts, 1994
Habitat
Marine
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
6.3 cm
Depth Range
14–186 m
Trophic Level
3.2
Resilience
High
Vulnerability
12.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 16 - 19; Dorsal soft rays (total): 9 - 13; Anal spines: 2; Anal soft rays: 20 - 26. 19-25 pored scales in the anterior lateral line series, 16-20 notched scales in the posterior series, the second dorsal fin with an ocellate black blotch distally on 4th-6th membranes, the anal fin with about 11 dark streaks, the pelvic fin basally black, rays distally yellowish, with brown spots, and the dorsal fin spines densely covered with small spinules.: fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Ocellate triplefin 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; demersal; non-migratory; depth range 14 - 186 m . Temperate Southwest Pacific: endemic to New Zealand.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Migration
Non-migratory
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00776 × L3.08 (TL)
Max TL
6.3cm
Dorsal Spines
18
Dorsal Rays
11
Anal Spines
2
Anal Rays
23

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Fricke & Roberts, 1994

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