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🌊 Marine 🌡️ Tropical

Apogon Marquesensis

Apogon marquesensis Greenfield, 2001
Max Length
4.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
0–12 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Apogon Marquesensis (Apogon marquesensis), first described by Greenfield, 2001 is a tiny fish in the family Apogonidae (order Apogoniformes). Adults typically reach 4.60 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 12 metres. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Apogon marquesensis
Authority
Greenfield, 2001
Habitat
Marine
Climate
Tropical
Max Length
4.6 cm
Depth Range
0–12 m
Trophic Level
3.3
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 8. Differs from other members of the A. erythrinus complex by having the following characteristics: scattered dark chromatophores on the caudal peduncle extending anteriorly as a band from caudal fin base at least to a vertical from ends of dorsal and anal fin rays; from A. erythrinus by having a shorter second dorsal fin spine not reaching base of third ray of second dorsal fin when depressed; from A. indicus by usually having 14 versus 13 pectoral fin rays; from A. susanae by having pigment on the dorsal surface of the caudal peduncle and on the base of the second dorsal fin; second dorsal fin spine of A. marquesensis usually longer than in specimens of A. indicus and A. susanae .

🌀 Behaviour

Behavioural data for Apogon Marquesensis is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

👄 Mouth Brooder

Mouthbrooders . Distinct pairing during courtship and spawning .

🌍 Habitat & Distribution

Marine; demersal; depth range 0 - 12 m . Tropical Central Pacific: endemic to the Marquesa Islands.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00708 × L3.22 (TL)
Max TL
4.6cm
Dorsal Spines
7
Dorsal Rays
9
Anal Spines
2
Anal Rays
8

🌡️ 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
3.3
Predator
Climate Zone
Tropical
Described By
Greenfield, 2001

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