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Rocas damselfish (Stegastes rocasensis) — Pomacentridae

Rocas damselfish

Stegastes rocasensis
Family: Pomacentridae

The Rocas damselfish (Stegastes rocasensis) is a saltwater fish of the family Pomacentridae that grows up to 9 cm.

Length
9 cm
Water
Saltwater
Depth
0.0–60.0 m
Diet
Omnivore
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Stone or rock
Danger
Harmless

Description

The Rocas damselfish is a damselfish (Pomacentridae) from reef water of the western Atlantic, around Rocas and northeastern Brazil. The species grows to about 12 cm and has a deep, laterally compressed, yellow-brown with dark scale edges body. As a fiercely territorial bottom-dweller it defends an algal garden on rocks and coral against intruders and eats algae, detritus and small invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Rocas damselfish?

The Rocas damselfish has a torpedo-shaped body and is mainly brown.

Where does the Rocas damselfish live?

The Rocas damselfish lives in the sea (marine waters) and is mostly found around stony or rocky ground.

How big does the Rocas damselfish get?

The Rocas damselfish grows to a maximum of about 9 cm.

Is the Rocas damselfish dangerous to humans?

No, the Rocas damselfish is harmless to humans.

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All data

Identification

Dutch name
Rocas-juffertje sourced
English name
Rocas damselfish sourced
Scientific name
Stegastes rocasensis
Family
Pomacentridae
Other names
Saint Paul's gregory verified

Appearance

Size class
Small verified
Max length (cm)
9.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown sourced
Tail shape
Forked inferred

Habitat & distribution

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

Behaviour & biology

Diet
Omnivore inferred
Territorial
Yes sourced
Activity
Diurnal inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred

For anglers

Fishing method
Klein van stuk en nauwelijks een hengelsportdoel; wordt vooral incidenteel of als aasvis gevangen. inferred
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 Stegastes

More from the family Pomacentridae

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