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🌊 Marine Least Concern 🌡️ Tropical

Whitebar gregory

Stegastes albifasciatus Schlegel & Müller, 1839
Max Length
13 cm
Max Weight
Lifespan
Trophic Level
2
Depth
0–4 m
Climate
Tropical
Resilience
High
Vulnerability
25.00/100
Typical Length
Depth Zone
reef

📖 Overview

A territorial herbivore. Adults inhabit reef flats, shallow lagoons, and semi-sheltered reef margins; common among patches of rubble or porous reef rock, surrounded by live coral, particularly in areas of mild surge . Also in high energy zones with mixed corals and short algae. They occur in small loose aggregations . Feeds on filamentous algae . Oviparous, distinct pairing during breeding . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs .

Scientific Name
Stegastes albifasciatus
Authority
Schlegel & Müller, 1839
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
13 cm
Depth Range
0–4 m
Latitude
35°S – 35°N
Trophic Level
2
Resilience
High
Vulnerability
25.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 15 - 16; Anal spines: 2; Anal soft rays: 12 - 14. Diagnosis: Body dark brown to blackish; suborbital mostly blue with blue spots on side of head; most scales on side of body with blue transverse streak. Fins dark brown to blackish except pectorals which are translucent with dusky rays. Pectorals with scaly inner base and has pupil-sized black spot at the base of uppermost rays; a black spot (maybe bordered anteriorly with white) at base of posterior dorsal rays, slightly extending onto dorsal edge of caudal peduncle; with or without white bar across posterior half of body . Body depth 1.8-2.1 in SL .: short and / or deep; Cross section: oval.

🌀 Behaviour

Behavioural data for Whitebar gregory is currently being reviewed.

🦐 Diet

Diet information for Whitebar gregory is currently being compiled.

🥚 Reproduction

🐣 Oviparous
Spawn Location
Demersal

Oviparous, distinct pairing during breeding . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs .

🌍 Habitat & Distribution

Marine; reef-associated; non-migratory; depth range 0 - 4 m . Tropical; 35°N - 35°S north to the Ryukyu Islands, south to New Caledonia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Non-migratory
Feeding Mode
Herbivore
Trophic Level
2
Food Items

filamentous algae (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.02042 × L2.98 (TL)
Max TL
13cm
Dorsal Spines
12
Dorsal Rays
16
Anal Spines
2
Anal Rays
13

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
2
Omnivore / Planktivore
Body Shape
Short and / or deep
Climate Zone
Tropical
Latitude Range
35°N – 35°S
Described By
Schlegel & Müller, 1839

🌐 Names & Taxonomy

Language Common Names
🇬🇧English White-banded Gregory · Whiteblotch Damselfish · whitebar gregory
🏳️Catalan Damisel·la esvelta
🌍CES sapín bělopruhý
🇫🇷French Demoiselle à tache blanche
🇯🇵Japanese Kiobisuzumedai · キオビスズメダイ
🇵🇹Portuguese Donzela-de-faixa-branca
🇪🇸Spanish Chopita de barra blanca
🌍TAH 'atoti
🇨🇳Chinese 厚殼仔 · 白带眶锯雀鲷 · 白帶眶鋸雀鯛 · 白帶高身雀鯛

Scientific Synonyms

Scientific Name Author Year Status
Eupomacentrus albifasciatus Schlegel & Müller 1839 Synonym
Eupomacentrus albofasciatus Schlegel & Müller 1839 Synonym
Parapomacentrus albifasciatus Schlegel & Müller 1839 Synonym
Pomacentrus albifasciatus Schlegel & Müller 1839 Synonym
Pomacentrus albofasciatus Schlegel & Müller 1839 Synonym
Pomacentrus eclipticus Jordan & Seale 1906 Synonym
Pomacentrus leucopleura Bleeker 1854 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 21 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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