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🌊 Marine 🌡️ Deep-water

Banded dragonfish

Akarotaxis gouldae Corso, Desvignes, McDowell, Cheng, Biesack, Steinberg & Hilton, 2024
Max Length
14.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
215–964 m
Climate
Deep-water
Resilience
Medium
Vulnerability
34.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Adults were captured at 600-705 m while larvae were captured at 215-964 m; habitats at these depths in coastal regions of Antarctica are likely composed of similar fine sediments .

Scientific Name
Akarotaxis gouldae
Authority
Corso, Desvignes, McDowell, Cheng, Biesack, Steinberg & Hilton, 2024
Habitat
Marine
Climate
Deep-water
Max Length
14.1 cm
Depth Range
215–964 m
Trophic Level
3.5
Resilience
Medium
Vulnerability
34.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 28 - 31; Anal soft rays: 25 - 28; Vertebrae: 47 - 48. This species is distinguished from A. nudiceps by the presence of two dark vertical bands of pigment on the body; a larger body depth at the origin of the anal fins; and a shorter snout and jaw length.The smallest adult specimen examined was 12.73 mm SL, although the sex was not determined. It is unknown when the characteristic dark vertical bands develop in this species, although it has been reported that these do not appear on larvae up to 2.07 cm SL .Cross section: compressed.

🌀 Behaviour

Behavioural data for Banded dragonfish 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; bathydemersal; depth range 215 - 964 m . Deep-water

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.5±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00224 × L3.25 (TL)
Max TL
14.1cm
Dorsal Rays
30
Anal Rays
27
Vertebrae
48

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
34.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Deep-water
Described By
Corso, Desvignes, McDowell, Cheng, Biesack, Steinberg & Hilton, 2024

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