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🌊 Marine 🌡️ Polar

Trematomus Amphitreta

Trematomus amphitreta Cziko & Cheng, 2006
Max Length
26.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Polar
Resilience
Medium
Vulnerability
46.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Trematomus Amphitreta (Trematomus amphitreta), first described by Cziko & Cheng, 2006 is a medium-sized fish in the family Nototheniidae (order Perciformes). Adults typically reach 26.10 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Polar waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Trematomus amphitreta
Authority
Cziko & Cheng, 2006
Habitat
Marine
Climate
Polar
Body Shape
Fusiform / normal
Max Length
26.1 cm
Trophic Level
3.3
Resilience
Medium
Vulnerability
46.00/100
Salinity
30–40 ppt

🐟 Physical Description

This species is distinguished by having its pelvic fins reaching only about halfway from the pelvic-fin base to anal origin, and the second dorsal-fin insertion notably advanced with respect to the anal-fin origin; cephalic lateral-line pores large, the fourth supraorbital canal pores open into a median, well-defined, depressed interorbital pit, divided medially by a slightly raised ridge; width of depressed interorbital region greater than the length, does not extend anteriorly beyond the third supraorbital canal pore, and with a few uniserial cycloid scales immediately anterior to it; the lining of the mouth, gill cavities, and peritoneum black .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Trematomus Amphitreta 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-oceanic. Polar

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00537 × L3.24 (TL)
Max TL
26.1cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
46.00/100
Moderate-High vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Polar
Described By
Cziko & Cheng, 2006

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