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Overview

Comprehensive Description

Biology

Found primarily around coral reefs, with a preference for coralline lagoons. Feeds on zooplankton in large midwater groups. Forms schools with other caesionids. Migrates to select areas around the reef to spawn near the surface in the entrances of deep channels during outgoing tides on a lunar cycle. Oviparous, with numerous, small pelagic eggs (Ref. 402). Also caught with drive-in nets.
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Distribution

Indo-West Pacific: East Africa, Seychelles and western Mascarenes east to Kiribati (Line Islands), Samoa and Tonga, north to Ogasawara Islands, south to off northwestern Australia and New Caledonia.
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Indo-West Pacific: East Africa to the Line Islands. Not occurring in the Red Sea or the Arabian (Persian) Gulf.
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Physical Description

Morphology

Dorsal spines (total): 10; Dorsal soft rays (total): 14 - 16; Analspines: 3; Analsoft rays: 12 - 13
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Size

Maximum size: 400 mm TL
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Max. size

40.0 cm TL (male/unsexed; (Ref. 11228))
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Diagnostic Description

Description

Found primarily around coral reefs, with a preference for coralline lagoons. Feeds on zooplankton in large midwater groups. Also caught with drive-in nets. Forms schools with other caesionids. Migrates to select areas around the reef to spawn.
  • Anon. (1996). FishBase 96 [CD-ROM]. ICLARM: Los Baños, Philippines. 1 cd-rom pp.
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Tail fin and peduncle, and body above a diagonal from just anterior to origin of dorsal fin to ventral origin of caudal peduncle bright yellow (except in large ones in western Pacific, yellow does not extend as far as anteriorly); rest of upper 2/3 of body bright blue; lower third silvery white. Indonesian populations have yellow from origin of dorsal and most of the back to below lateral line over the posterior part and tail (Ref. 48635). 4-5 scales on cheek; 20-28 predorsal scales; scaled dorsal and anal fins; Supra-temporal band of scales interrupted at dorsal midline by a scaleless zone. Upper peduncular scale rows 11-13; lower peduncular scale rows usually 15 or 16 (14-17). A small process on each ventrolateral surface of basioccipital for attachment of Baudelot's ligament.
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Ecology

Habitat

Depth: 5 - 50m.
From 5 to 50 meters.

Habitat: reef-associated. Found primarily around coral reefs, with a preference for coralline lagoons. Feeds on zooplankton in large midwater groups. Forms schools with other caesionids. Migrates to select areas around the reef to spawn near the surface in the entrances of deep channels during outgoing tides on a lunar cycle. Also caught with drive-in nets.
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Environment

reef-associated; non-migratory; marine; depth range 5 - 50 m (Ref. 30874)
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Depth range based on 20 specimens in 1 taxon.
Water temperature and chemistry ranges based on 17 samples.

Environmental ranges
  Depth range (m): 0.5 - 68
  Temperature range (°C): 25.073 - 29.171
  Nitrate (umol/L): 0.068 - 2.283
  Salinity (PPS): 34.228 - 35.029
  Oxygen (ml/l): 4.243 - 4.582
  Phosphate (umol/l): 0.130 - 0.290
  Silicate (umol/l): 1.043 - 5.493

Graphical representation

Depth range (m): 0.5 - 68

Temperature range (°C): 25.073 - 29.171

Nitrate (umol/L): 0.068 - 2.283

Salinity (PPS): 34.228 - 35.029

Oxygen (ml/l): 4.243 - 4.582

Phosphate (umol/l): 0.130 - 0.290

Silicate (umol/l): 1.043 - 5.493
 
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Trophic Strategy

Found primarily around coral reefs, with a preference for coralline lagoons. Often on outer reef slopes or in passes washed by strong currents (Ref. 54301). Forms schools with other caesionids, often with C. xanthonata. Migrates to select areas around the reef to spawn near the surface in the entrances of deep channels during outgoing tides on a lunar cycle. A rapidly moving schooling fish. Feeds on zooplankton in large midwater groups.
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Life History and Behavior

Life Cycle

Mass spawning of this species observed to occur only around sunset at or near full moon.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Caesio teres

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 4
Species With Barcodes: 1
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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: minor commercial; price category: medium; price reliability: questionable: based on ex-vessel price for species in this genus
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