Ogilby's weedfish (Heteroclinus heptaeolus) is a ray-finned fish of the family Clinidae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 10 cm. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.
Dorsal spines (total): 29 - 31; Dorsal soft rays (total): 3; Anal spines: 2; Anal soft rays: 18 - 21. Pelvic fin rays thick, finger-like . Brown or green in color; series of dark blotches dorsally and midlaterally .: elongated.
Behavioural data for Ogilby's weedfish is currently being reviewed.
Marine; benthopelagic. Temperate West Pacific: southern Australia.
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