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🌊 Marine Least Concern 🌡️ Tropical

Tropical scaly-headed triplefin

Norfolkia brachylepis Schultz, 1960
Max Length
7.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
1–25 m
Climate
Tropical
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Adults inhabit coral or rock, often under ledges, on clear lagoon and seaward reefs . Eggs are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites . Larvae are planktonic which occur primarily in shallow, nearshore waters .

Scientific Name
Norfolkia brachylepis
Authority
Schultz, 1960
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
7.3 cm
Depth Range
1–25 m
Latitude
15°S – 16°N
Trophic Level
3.2
Resilience
High
Vulnerability
12.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Blenniiformes
Blenniiformes
Family
Tripterygiidae
Tripterygiidae
Genus
Norfolkia
Norfolkia
Species
Tropical scaly-headed triplefin
Norfolkia brachylepis

🐟 Physical Description

Dorsal spines (total): 18 - 19; Dorsal soft rays (total): 10 - 11; Anal spines: 2; Anal soft rays: 20 - 21. This species is distinguished by the following characters: D IV + XIV-XV + 10-11 (IV+XV+11); A II, 20-21 (21), spine length half of the rays; pectoral rays 16, dorsalmost 2-3 and ventral most 7 simple, remainder branched once; pelvic rays bound together by membrane for less than one-fourth of length of shorter ray; lateral line pored scales 21-24 (22), terminates between 2nd and 3rd dorsal fins; notched scales and 14-19 (16); total lateral scales 32-35 (34); dentary pores 5-6 + 1 + 5-6; orbital and nasal cirri palmate and about as large as pupil diameter; dorsal fin also with cirri at tips of spines; head 2.9-3.6 (3.3) in SL, eye 3.0-3.9 (3.3), maxilla 2.3-3.0 (2.6) and snout 3.3-4.9 (3.8) in head length . : elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Tropical scaly-headed triplefin is currently being reviewed.

🦐 Diet

Diet information for Tropical scaly-headed triplefin is currently being compiled.

🥚 Reproduction

Reproduction data for Tropical scaly-headed triplefin is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range 1 - 25 m , usually 2 - 7 m . Tropical; 16°N - 15°S West Pacific: widespread; from the Red Sea to South Africa; from Sri Lanka, the east and west coast of Australia, Indonesia, southern Japan and east to the Marshall Islands, New Caledonia and Fiji.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00617 × L3.03 (TL)
Max TL
7.3cm
Dorsal Spines
19
Dorsal Rays
11
Anal Spines
2
Anal Rays
21

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Latitude Range
16°N – 15°S
Described By
Schultz, 1960

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Redfin Triplefin · Rough-head Triplefin · Scaly-head Threefin · Scalyfin Threefin · Scalyfin Triplefin · Schultz' Triplefin · Tropical scaly-headed triplefin
🇯🇵Japanese Kokutennisehebigimpo · コクテンニセヘビギンポ

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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