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🌊 Marine 🌡️ Subtropical

Psednos Cryptocaeca

Psednos cryptocaeca Stein, 2012
Max Length
9.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
13.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Psednos Cryptocaeca (Psednos cryptocaeca), first described by Stein, 2012 is a small fish in the family Liparidae (order Perciformes). Adults typically reach 9.60 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Psednos cryptocaeca
Authority
Stein, 2012
Habitat
Marine
Climate
Subtropical
Body Shape
Elongated
Max Length
9.6 cm
Trophic Level
3.4
Resilience
High
Vulnerability
13.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 49 - 50; Anal soft rays: 43 - 44; Vertebrae: 56. This species is distinguished by the following characters: vertebrae 56, pectoral fin rays 15 (6+4+5); terminal mouth oblique, its angle about 45°, posterior lower edge of lower jaw with anterior projecting blunt spine; very slender teeth, needle-like; long opercle long, slender and slightly curved, pointing posteroventrally but primarily down; lower margin emarginate, supported by at least two, possibly three, branchiostegal rays; coronal pore apparently absent; abdominal vertebrae forming a marked dorsal curve; mandible to abdomen end about 175% HL; dark brown peritoneum visible through body wall; stomach brownish, intestine entirely cream-colored .: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Psednos Cryptocaeca 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; depth range ? - 121 m . Subtropical Southwest Pacific: off Otago Canyons, east of southern New Zealand.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.15 (TL)
Max TL
9.6cm
Dorsal Rays
50
Anal Rays
44
Vertebrae
56

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Stein, 2012

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