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Ostorhinchus cheni is a deep-water cardinalfish of which, probably due to its depth distribution, there are very few photos of living animals.
In addition to the animal shown here, a few more photos can be found in the easily accessible work “Cardinalsfishes of the World” by Rudie H. Kuiter on page 113. Please access this link to view them:
https://www.researchgate.net/profile/Rudie-Kuiter/publication/335777894_ApogonidaeFishesLRs/links/5d7adcb3299bf1d5a970aa40/ApogonidaeFishesLRs.pdf
Based on an underwater photo taken in Bali, Indonesia:
The Cardinalfish has a silvery-orange head and body with three golden, dark stripes: the upper stripe from the center of the head.
Between the eyes and along the base of the dorsal fins, which extends at least to the end of the second dorsal fin attachment, there is a middle stripe that runs from the dorsal edge of the eye socket to the upper part of the tail stock.
In life, the perch clearly shows fluorescent blue stripes that radiate from the snout.
A large black spot can be seen at the base of the caudal fin, and a small, less pronounced black spot behind the edge of the eye socket.
The first dorsal fin is also silvery-orange, and the membrane between the third and fifth spines is black and gold.
Similar species:
Ostorhinchus doederleini (Jordan & Snyder, 1901) and Ostorhinchus fukuii ( Hayashi, 1990)
Synonym: Apogon cheni Hayashi, 1990
Literature reference:
Yoshida, T., & Motomura, H. (2017).
Fig. 3 in Distributional Range Extension and Live Coloration of the Indo-Pacific Deepwater Cardinalfish Ostorhinchus cheni (Perciformes: Apogonidae). In Species Diversity (Vol. 22, pp. 225–230). Zenodo. https://doi.org/10.5281/zenodo.5737904
Creative Commons Attribution 4.0 International
In addition to the animal shown here, a few more photos can be found in the easily accessible work “Cardinalsfishes of the World” by Rudie H. Kuiter on page 113. Please access this link to view them:
https://www.researchgate.net/profile/Rudie-Kuiter/publication/335777894_ApogonidaeFishesLRs/links/5d7adcb3299bf1d5a970aa40/ApogonidaeFishesLRs.pdf
Based on an underwater photo taken in Bali, Indonesia:
The Cardinalfish has a silvery-orange head and body with three golden, dark stripes: the upper stripe from the center of the head.
Between the eyes and along the base of the dorsal fins, which extends at least to the end of the second dorsal fin attachment, there is a middle stripe that runs from the dorsal edge of the eye socket to the upper part of the tail stock.
In life, the perch clearly shows fluorescent blue stripes that radiate from the snout.
A large black spot can be seen at the base of the caudal fin, and a small, less pronounced black spot behind the edge of the eye socket.
The first dorsal fin is also silvery-orange, and the membrane between the third and fifth spines is black and gold.
Similar species:
Ostorhinchus doederleini (Jordan & Snyder, 1901) and Ostorhinchus fukuii ( Hayashi, 1990)
Synonym: Apogon cheni Hayashi, 1990
Literature reference:
Yoshida, T., & Motomura, H. (2017).
Fig. 3 in Distributional Range Extension and Live Coloration of the Indo-Pacific Deepwater Cardinalfish Ostorhinchus cheni (Perciformes: Apogonidae). In Species Diversity (Vol. 22, pp. 225–230). Zenodo. https://doi.org/10.5281/zenodo.5737904
Creative Commons Attribution 4.0 International
