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🌊 Marine Least Concern 🌡️ Tropical

Pristine viviparous brotula

Eusurculus pristinus Schwarzhans & Møller, 2007
Max Length
4.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Pristine viviparous brotula (Eusurculus pristinus), first described by Schwarzhans & Møller, 2007 is a tiny fish. Adults typically reach 4.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Eusurculus pristinus
Authority
Schwarzhans & Møller, 2007
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
4.5 cm
Trophic Level
3.2
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Eusurculus
Eusurculus
Species
Pristine viviparous brotula
Eusurculus pristinus

🐟 Physical Description

Dorsal soft rays (total): 74 - 86; Anal soft rays: 58 - 70; Vertebrae: 41 - 44. This species is distinguished by the following characters: D 74-86, A 58-70, D/A 18-27, V in D 2.0-2.3; vertebrae 11-12+30-33=41-44, anterior nostril located 1/4 to 1/5 distance from upper lip to aggregate distance to anterior margin of eye; free pseudoclaspers 2 pairs, outer pseudoclasper wing-shaped with moderately broad base and distally widened supporter with strong anterior hook (covered by ligament), the inner one is stalked, with slightly widened base and miniature sucker-disk with two small hooks; 5-8 scale rows on upper part, 3-4 rows on lower part of the cheek; otoliths with distinct ostium and cauda, partly fused colliculi, otolith length to height 2.0-2.1, ostial colliculum length to caudal colliculum length 3.5-5 . : elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Pristine viviparous brotula 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. Tropical

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
4.5cm
Dorsal Rays
80
Anal Rays
64
Vertebrae
43

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Schwarzhans & Møller, 2007

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