Home · Serranidae · Williams' splitfin anthias
Williams' splitfin anthias (Luzonichthys williamsi) — Serranidae

Williams' splitfin anthias

Luzonichthys williamsi
Family: Serranidae

The Williams' splitfin anthias (Luzonichthys williamsi) is a saltwater fish of the family Serranidae that grows up to 6 cm.

Length
6 cm
Water
Saltwater
Depth
21.0–50.0 m
Diet
Carnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Stone or rock
Danger
Harmless

Description

Williams' splitfin anthias is a slender anthias (Serranidae) from clear reef water of the western Pacific. The species grows to about 6 cm and has a slender, orange-pink to purple body and a split dorsal fin. As a day-active fish it hovers in dense schools above coral heads and steep slopes and snaps at zooplankton in the current. Like many anthias a female can change sex. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Williams' splitfin anthias?

The Williams' splitfin anthias has an elongate, eel-like body and is mainly pink-purple.

Where does the Williams' splitfin anthias live?

The Williams' splitfin anthias lives in the sea (marine waters) and is mostly found around stony or rocky ground.

How big does the Williams' splitfin anthias get?

The Williams' splitfin anthias grows to a maximum of about 6 cm.

Is the Williams' splitfin anthias dangerous to humans?

No, the Williams' splitfin anthias is harmless to humans.

Download Fin's Fish Guide

Identify fish in seconds, log your catches and dives. Join the TestFlight beta.

Get the beta →

All data

Identification

Dutch name
Williams' juweelbaars sourced
English name
Williams' splitfin anthias sourced
Scientific name
Luzonichthys williamsi
Family
Serranidae

Appearance

Max length (cm)
6 inferred
Body shape
Elongated (eel-like) sourced
Dominant colour
Pink / purple inferred
Tail shape
Forked inferred

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
21.0 verified
Max depth (m)
50.0 verified
Origin
Native inferred

Behaviour & biology

Diet
Carnivore inferred
Social behaviour
Schooling sourced
Territorial
No inferred
Activity
Diurnal sourced
Reproduction
Protogynous (female first) sourced
Sexual dimorphism
No inferred

For anglers

Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

Status & sources

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

Same genus Luzonichthys

More from the family Serranidae

Download Fin's Fish Guide

Identify fish in seconds, log your catches and dives. Join the TestFlight beta.

Get the beta →