Diamond Cardinal

About this species

Ostorhinchus is a genus of ray-finned fish in the family Apogonidae native to the Indian and Pacific Oceans.

Text from the Wikipedia article “Ostorhinchus”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 36 records
February: 5 records
March: 40 records
April: 131 records
May: 27 records
June: 99 records
July: 40 records
August: 19 records
September: 16 records
October: 29 records
November: 20 records
December: 17 records

Depth and water temperature

Depth

Mostly recorded at 10–26 m · Deepest record: 635 m

0–10 m: 26 records
10–20 m: 110 records
20–30 m: 93 records
30–40 m: 2 records
40–50 m: 5 records
50–60 m: 3 records
60–70 m: 1 records
70–80 m: 1 records
80–90 m: 0 records
90–100 m: 0 records
100–110 m: 0 records
110+ m: 1 records

Water temperature

Recorded in surface water of 20–30 °C

20–22 °C: 6 records
22–24 °C: 6 records
24–26 °C: 18 records
26–28 °C: 218 records
28–30 °C: 115 records

Photos

(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Storm Martin, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Ewout Knoester, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Ewout Knoester, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist

Names and classification

English: Diamond Cardinal, Goldbelly Cardinalfish, Goldenbelly Cardinalfish, Plain Cardinal, Plain Cardinalfish, shorttooth cardinal, Short-tooth Cardinal

Names in 3 more languages

French: Apogon au ventre doré, Apogon à ventre doré, Cardinal Masqué
Japanese: Aohanatenjikudai, アオハナテンジクダイ
Simplified Chinese: 大目側仔, 大面側仔, 短牙鸚竺鯛, 短齒天竺鯛, 短齒鸚天竺鯛

Other scientific names: Apogon apogonides, Apogon apogonoides, Apogon enigmaticus, Apogonichthyoides enigmaticus, Cheilodipterus apogonides, Cheilodipterus apogonoides, Cheilodipterus apogonoïdes, Ostorhinchus apogonides, Ostorhynchus apogonides

Similar species

Barred Striped Cardinalfish
Ostorhinchus fasciatus
Gobbleguts
Ostorhinchus rueppellii
Broadstriped Cardinalfish
Ostorhinchus angustatus
Bandtail Cardinal
Ostorhinchus aureus
Blue-eye Cardinalfish
Ostorhinchus compressus
Blackbanded Cardinal
Ostorhinchus cookii

Sources and credits

Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).

Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
Conservation status as published by GBIF (IUCN Red List).
559 open-data records from 1856 to 2023.
Species data updated November 5, 2026.