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🌊 Marine 🌡️ Deep-water

Paxton's escolar

Rexichthys johnpaxtoni Parin & Astakhov, 1987
Max Length
22 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
270–470 m
Climate
Deep-water
Resilience
Medium
Vulnerability
23.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Adults are probably benthopelagic from 400 to 470 m while juveniles are pelagic from 270 to 400 m depth.

Scientific Name
Rexichthys johnpaxtoni
Authority
Parin & Astakhov, 1987
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
Max Length
22 cm
Depth Range
270–470 m
Trophic Level
3.8
Resilience
Medium
Vulnerability
23.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 19; Dorsal soft rays (total): 14 - 15; Anal spines: 2; Anal soft rays: 12 - 13; Vertebrae: 34. Body moderately elongate and compressed. Two lateral lines, the lower originating below the 6th to the 7th spine of the first dorsal fin, descending sharply to ventral contour of body, dividing into a short anterior branch and a much longer posterior branch. The pelvic fin represented by 1 spine and 2 tiny soft rays in smaller specimens but entirely absent in specimens over 10 cm SL. Body color is brownish, fins hyaline; first dorsal fin with a black blotch distally on two anterior membranes.: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Paxton's escolar 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; benthopelagic; depth range 270 - 470 m . Deep-water; 17°S - 35°S, 140°E - 170°W

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.8±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00363 × L3.11 (TL)
Max TL
22cm
Dorsal Spines
19
Dorsal Rays
15
Anal Spines
2
Anal Rays
13
Vertebrae
34

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
23.00/100
Low vulnerability
Trophic Level
3.8
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Parin & Astakhov, 1987

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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