Australian rainbow sardine

📖 Overview

Australian rainbow sardine (Dussumieria apollo) is a ray-finned fish of the family Dussumieriidae. It inhabits marine (saltwater) waters in pelagic environments. This species can reach a maximum total length of 13.6 cm. It occurs at depths between 10 and 55 metres. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms.

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 20; Anal soft rays: 15; Vertebrae: 54. This species is distinguished by the following set of characters: body scales with numerous longitudinal striae on posterior part; numerous conical teeth on anterior parts of palatine and pterygoids, forming tooth band; absence of teeth on parasphenoid (rarely present); body comparatively deep, 21.9-23.9% of SL; scale rows in longitudinal series 49-52 (modally 49); vertebrae 53-56 (54); pseudobranchial filaments 17-21 (19); 1UGR 12-15 (13); 1LGR 22-27 (25); 1TGR 35-41 (38); 2UGR 7-10 (8); 2LGR 19-24 (21); 2TGR 27-34 (31); 3UGR 6-9 (7); 3LGR 14-17 (15); 3TGR 21-25 (22); 4UGR 3-6 (5); 4LGR 9-11 (10); 4TGR 13-16 (14); branchiostegal rays 12-16 (13); melanophores scattered on 5th to 9th pectoral-fin rays, counted from uppermost ray; maxilla length 8.7-9.5% of SL (mean 9.1%); mandibular length 13.4-14.5% of SL (13.8%); pre-dorsal-fin length 56.0-58.8% of SL (57.1%) .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Australian rainbow sardine is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; pelagic-neritic; depth range 10 - 55 m . Tropical West Pacific: Papua New Guinea and Australia.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

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