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Overview

Comprehensive Description

Biology

Commonly found in clear-waters of seaward reefs; on reef crests and slopes, where usually shallow, and along deep drop-offs to 25 m (Ref. 48635). Feeds on polychaetes and other small benthic invertebrates at night; cryptic under ledges or in holes by day (Ref. 1602).
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Distribution

Indo-Pacific: Red Sea and East Africa (Ref. 2334) to the Line and Mangaréva islands, north to Taiwan, south to New Caledonia.
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Red Sea, Indo-West Pacific: East Africa, Madagascar and Mascarenes east to Caroline and Line islands and Pitcairn Group, north to Taiwan, south to Western Australia, Queensland (Australia), New Caledonia and Tonga.
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Physical Description

Morphology

Dorsal spines (total): 8; Dorsal soft rays (total): 9; Analspines: 2; Analsoft rays: 8
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Size

Maximum size: 100 mm NG
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Max. size

11.0 cm TL (male/unsexed; (Ref. 48635))
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Diagnostic Description

Whitish with 5 horizontal stripes (brassy to dark brown in color); dark spot at base of middle caudal fin rays; fin rays light red (Ref. 2334).
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Type Information

Type for Amia angustata
Catalog Number: USNM 68399
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Illustration; Radiograph
Year Collected: 1909
Locality: East of Zamboanga; Malanipa Island, Northeast., Malanipa Island, Philippines, Philippine Archipelago, Pacific
Depth (m): 3 to 5
Vessel: Albatross
  • Type:
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Ecology

Habitat

Environment

reef-associated; marine; depth range 6 - 65 m (Ref. 9710)
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Depth range based on 80 specimens in 1 taxon.
Water temperature and chemistry ranges based on 38 samples.

Environmental ranges
  Depth range (m): 0.915 - 100
  Temperature range (°C): 25.075 - 29.214
  Nitrate (umol/L): 0.019 - 2.714
  Salinity (PPS): 33.803 - 35.368
  Oxygen (ml/l): 4.413 - 4.802
  Phosphate (umol/l): 0.092 - 0.507
  Silicate (umol/l): 0.829 - 4.612

Graphical representation

Depth range (m): 0.915 - 100

Temperature range (°C): 25.075 - 29.214

Nitrate (umol/L): 0.019 - 2.714

Salinity (PPS): 33.803 - 35.368

Oxygen (ml/l): 4.413 - 4.802

Phosphate (umol/l): 0.092 - 0.507

Silicate (umol/l): 0.829 - 4.612
 
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Depth: 6 - 65m.
From 6 to 65 meters.

Habitat: reef-associated. Broadstriped cardinal. (Smith & Radcliffe, 1911) Attains 9 cm. Overall white with five horizontal stripes on side which vary in colour from brassy to dark brown, and a dark spot at base of middle caudal rays; fin rays light red. This species belongs to the dark-striped species complex, which normally have five horizontal stripes and normally a caudal spot. The species distinction is not clear and A. angustatus can easily be confused with A. taeniophorus and A. cookii. See section 35 of 'Coral Reef Fishes' by Collins for identification details. Clear seaward reefs, from reef flat to 65 metres. Feeds on benthic invertebrates. Indo-West and South Pacific, Red Sea south to Natal in South Africa.
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Trophic Strategy

Found inshore (Ref. 75154). Exhibits the black gut phenomenon. In nocturnal predators, it appears to serve to conceal bioluminiscent prey in the stomach cavity (Ref. 46685).
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Life History and Behavior

Life Cycle

Mouthbrooders (Ref. 240). Distinct pairing during courtship and spawning (Ref. 205).
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Ostorhinchus angustatus

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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Conservation

Threats

Not Evaluated
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