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🌊 Marine Data Deficient 🌡️ Tropical

Vanderhorstia Opercularis

Vanderhorstia opercularis Randall, 2007
Max Length
5.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
27–40 m
Climate
Tropical
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Associated with alpheid shrimps, sharing the same burrow maintained by the shrimp (generally as a pair) and guarded by the goby .

Scientific Name
Vanderhorstia opercularis
Authority
Randall, 2007
Habitat
Marine
Climate
Tropical
IUCN Status
DD
Max Length
5.1 cm
Depth Range
27–40 m
Trophic Level
3.2
Resilience
High
Vulnerability
12.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 12; Anal spines: 1; Anal soft rays: 12. This species is distinguished by the following characters: D VI-I,12; A I,12; pectoral rays 18-20; scales in longitudinal series on body 40; scales ctenoid posteriorly, cycloid anteriorly; head or prepectoral area without scales, those posteriorly on nape embedded and difficult to count; body depth 4.85-5.5 in SL; third dorsal spine of male filamentous, 2.35-2.95 in SL; caudal fin pointed and long, 1.95 in SL (in paratype; appears to have been injured and regenerating in holotype); paired fins extending beyond origin of anal fin; body with four dusky bars, each with a large darker spot; an oblique blackish bar from nape across posterior head containing a black spot on opercle; numerous small pale spots (orange-yellow in life) on head, body, and fins except pectorals .

🌀 Behaviour

Behavioural data for Vanderhorstia Opercularis is currently being reviewed.

🦐 Diet

Diet information for Vanderhorstia Opercularis is currently being compiled.

🥚 Reproduction

Reproduction data for Vanderhorstia Opercularis is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range 27 - 40 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.2±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.09 (TL)
Max TL
5.1cm
Dorsal Spines
7
Dorsal Rays
12
Anal Spines
1
Anal Rays
12

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Randall, 2007

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