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🌊 Marine 🌡️ Subtropical

Rapanui sandburrower

Crystallodytes pauciradiatus Nelson & Randall, 1985
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
6–24 m
Climate
Subtropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Rapanui sandburrower (Crystallodytes pauciradiatus) is a ray-finned fish of the family Creediidae. It inhabits marine (saltwater) waters in benthic environments. It occurs at depths between 6 and 24 metres. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Crystallodytes pauciradiatus
Authority
Nelson & Randall, 1985
Habitat
Marine
Climate
Subtropical
Depth Range
6–24 m
Trophic Level
3.3
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 30 - 32; Anal spines: 0; Anal soft rays: 34 - 36; Vertebrae: 50 - 53. Scales present only along lateral line .: eel-like.

🌀 Behaviour

Behavioural data for Rapanui sandburrower 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; demersal; depth range 6 - 24 m . Subtropical Southeast Pacific: endemic to Easter I.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Dorsal Rays
31
Anal Rays
35
Vertebrae
52

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Subtropical
Described By
Nelson & Randall, 1985

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