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Yellow fangblenny (Plagiotremus flavus) — Blenniidae

Yellow fangblenny

Plagiotremus flavus
Family: Blenniidae

The Yellow fangblenny (Plagiotremus flavus) is a saltwater fish of the family Blenniidae that grows up to 8 cm.

Length
8 cm
Water
Saltwater
Diet
Omnivore
Body shape
Elongated (eel-like)
Substrate
Stone or rock
Danger
Harmless
Range
Oceania: Fiji

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Description

The yellow fangblenny is a sabretooth blenny (Blenniidae) from shallow coral-reef water of the western Pacific. The species grows to about 8 cm and has a very slender, yellowish body and a pair of large canine teeth in the lower jaw. It feeds on skin mucus and scales that it bites from larger fish and shelters between attacks in empty tubeworm tubes. It may occasionally deliver a small, harmless nip to divers, but is harmless to humans.

Frequently asked questions

How do you recognise the Yellow fangblenny?

The Yellow fangblenny has an elongate, eel-like body and is mainly yellow-gold.

Where does the Yellow fangblenny live?

The Yellow fangblenny lives in the sea (marine waters) and is mostly found around stony or rocky ground. Oceania: Fiji

How big does the Yellow fangblenny get?

The Yellow fangblenny grows to a maximum of about 8 cm.

Is the Yellow fangblenny dangerous to humans?

No, the Yellow fangblenny is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

More photos

Yellow fangblenny (Plagiotremus flavus) — Blenniidae — 2
iNaturalist ((c) louisetrussler, some rights reserved (CC BY-NC))
Yellow fangblenny (Plagiotremus flavus) — Blenniidae — 3
iNaturalist ((c) Debra Baker, some rights reserved (CC BY))
Yellow fangblenny (Plagiotremus flavus) — Blenniidae — 4
iNaturalist ((c) Lisa H. Robinson, some rights reserved (CC BY-NC))
Yellow fangblenny (Plagiotremus flavus) — Blenniidae — 5
Randall, John E. (CC0 1.0) via GBIF — USNM
Fin

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All data

Identification

English name
Yellow fangblenny sourced
Scientific name
Plagiotremus flavus
Family
Blenniidae

Appearance

Size class
Small
Max length (cm)
8 inferred
Body shape
Elongated (eel-like) sourced
Dominant colour
Yellow / gold sourced
Tail shape
Rounded inferred

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Natural range
Oceania: Fiji sourced
Origin
Native inferred

Behaviour & biology

Diet
Omnivore inferred
Diet (detail)
Invertebrates, algae and detritus inferred
Territorial
Yes inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Plagiotremus

More from the family Blenniidae

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