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🌊 Marine 🌡️ Tropical

Tongan spiny basslet

Acanthoplesiops naka Mooi & Gill, 2004
Max Length
1 cm
Max Weight
-
Lifespan
-
Trophic Level
2.6
Depth
21–32 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Collected off a deep slope with a near vertical coral wall with a sandy channel at its base, followed by a steep drop-off . Eggs are guarded by the male parent .

Scientific Name
Acanthoplesiops naka
Authority
Mooi & Gill, 2004
Habitat
Marine
Climate
Tropical
Max Length
1 cm
Depth Range
21–32 m
Trophic Level
2.6
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 18; Dorsal soft rays (total): 4; Anal spines: 7; Anal soft rays: 4; Vertebrae: 27. This species is characterized by the following: D XVIII,4; anterior dorsal-fin pterygiophore formula ?/?/I+I/I/I/I/I/I/I//I/I/I/I; dentary pores 3; intertemporal pores 2, generally brownish head and body with darker pigment spots (from shrunken melanophores), except the pale stripe from the anterior half of the symphyseal flap to origin of dorsal fin continuous with a pale first dorsal spine, pectoral fin base with a pale spot, pale caudal peduncle continuous with pale bases of last 3 segmented dorsal- and anal-fin rays, the median fins slightly darker than body color with pale tips to their rays, first pelvic-fin ray dark on proximal 2/3 and pale on distal third, second pelvic-fin ray dark except for extreme distal tip; scales ctenoid; last dorsal- or anal-fin rays no membranous attachment to caudal fin .

🌀 Behaviour

Behavioural data for Tongan spiny basslet is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

Eggs are guarded by the male parent .

🌍 Habitat & Distribution

Marine; pelagic-neritic; depth range 21 - 32 m . Tropical Central Pacific: Tonga.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
2.6±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00457 × L3.1 (TL)
Max TL
1cm
Dorsal Spines
18
Dorsal Rays
4
Anal Spines
7
Anal Rays
4
Vertebrae
27

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.6
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Mooi & Gill, 2004

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