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🌊 Marine Least Concern 🌡️ Tropical

Velvetnose brotula

Petrotyx hopkinsi Heller & Snodgrass, 1903
Max Length
20 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
27.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Uncommon species . Adults inhabit rocky crevices . Oviparous, with oval pelagic eggs floating in a gelatinous mass .

Scientific Name
Petrotyx hopkinsi
Authority
Heller & Snodgrass, 1903
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
20 cm
Trophic Level
3.5
Resilience
High
Vulnerability
27.00/100
Salinity
30–40 ppt

🐟 Physical Description

Vertebrae: 12. Snout with numerous small, fleshy papillae; lips bearing series of dermal fringes; with small eye; posterior margin of preopercle skin-covered; spines absent from opercle and preopercle; upper margin of maxilla sheathed; developed gill rakers 3; single lateral line on body, no pores on head; median basibranchial tooth patch 1; branchiostegal rays 8 (Ref 34024).

🌀 Behaviour

Behavioural data for Velvetnose 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; reef-associated. Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.5±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00102 × L3.06 (TL)
Max TL
20cm
Vertebrae
12

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2007

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Tropical
Described By
Heller & Snodgrass, 1903

👥 Community & Contribute

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