Stegastes albifasciatus, Whitebar gregory

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Related species
- Species in
  Stegastes
- Species in
  Pomacentridae
- - Classification -
- Microspathodontinae
- Pomacentridae
- Ovalentaria/misc
- Teleostei
- Chordata
- Animalia

Stegastes albifasciatus (Schlegel & Müller, 1839)

Whitebar gregory

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Native range | All suitable habitat | Point map | Year 2050

This map was computer-generated and has not yet been reviewed.

Stegastes albifasciatus AquaMaps Data sources: GBIF OBIS

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Image of Stegastes albifasciatus (Whitebar gregory)

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Ovalentaria/misc (Various families in series Ovalentaria) > Pomacentridae (Damselfishes) > Microspathodontinae
Etymology: Stegastes: Greek, stegastos, -e, -on = covered (Ref. 45335).
More on authors: Schlegel & Müller.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated; non-migratory; depth range 0 - 4 m (Ref. 1602). Tropical; 35°N - 35°S

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indo-Pacific: Seychelles and Reunion to the Line and Tuamoto islands, north to the Ryukyu Islands, south to New Caledonia.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 13.0 cm TL male/unsexed; (Ref. 9710)

Short description Identification keys | Morphology | Morphometrics

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 (Ref. 510). Body depth 1.8-2.1 in SL (Ref. 90102).

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 (Ref. 1602). Also in high energy zones with mixed corals and short algae. They occur in small loose aggregations (Ref. 48636). Feeds on filamentous algae (Ref. 89972). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).

Main reference Upload your references | References | Coordinator : Allen, Gerald R. | Collaborators

Allen, G.R. and A.R. Emery, 1985. A review of the Pomacentrid fishes of the genus Stegastes from the Indo-Pacific, with descriptions of two new species. Indo-Pac. Fish. (3):31. (Ref. 510)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Least Concern (LC) ; Date assessed: 04 October 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 123201): 25.1 - 29.3, mean 28.3 °C (based on 2041 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.02042 (0.01005 - 0.04147), b=2.98 (2.81 - 3.15), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 2.0 ±0.00 se; based on food items.

Resilience (Ref. 120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Nutrients (Ref. 124155): Calcium = 117 [58, 198] mg/100g; Iron = 0.78 [0.46, 1.38] mg/100g; Protein = 18.1 [16.8, 19.3] %; Omega3 = 0.0839 [, ] g/100g; Selenium = 17.3 [8.9, 37.0] μg/100g; VitaminA = 76.1 [17.7, 308.1] μg/100g; Zinc = 2.06 [1.33, 3.18] mg/100g (wet weight);

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