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🌊 Marine Least Concern 🌡️ Tropical

Midwater sand-diver

Pteropsaron longipinnis Allen & Erdmann, 2012
← All Species
Max Length
2.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
70–75 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Found at base of steep coral wall on relatively flat bottom covered with coarse white, coralline sand and exposed to moderate currents in 70-75 m .

Scientific Name
Pteropsaron longipinnis
Authority
Allen & Erdmann, 2012
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
2.9 cm
Depth Range
70–75 m
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 3; Dorsal soft rays (total): 22 - 23; Anal spines: 1; Anal soft rays: 26; Vertebrae: 38. : elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Midwater sand-diver 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; reef-associated; depth range 70 - 75 m . Tropical east to Fiji.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
2.9cm
Dorsal Spines
3
Dorsal Rays
23
Anal Spines
1
Anal Rays
26
Vertebrae
38

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Allen & Erdmann, 2012

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