The hard-palate catfish (Brustiarius solidus), also known as the hard-plate catfish,Common names of Brustiarius solidus at www.fishbase.org. is a species of sea catfish in the family Ariidae. It was described by Albert William Herre in 1935, originally under the genus Arius.Herre, A. W. C. T. 1935 (15 Feb.) [ref. 2109] New fishes obtained by the Crane Pacific expedition. Field Museum of Natural History, Publications, Zoölogical Series v. 18 (no. 12): 383-438. It is a tropical freshwater fish which is found in Indonesia and Papua New Guinea. It reaches a maximum standard length of , with both sexes more commonly reaching an SL of . It reaches a maximum weight of .
The hard-palate catfish feeds on shrimp in the genus Macrobrachium, algae in the genus Salvinia, insects and nymphs, Ophieleotris aporos, leeches, earthworms, and detritus.Food items reported for Brustiarius solidus at www.fishbase.org. Adults spawn year-round, laying eggs in quantities ranging from 8-85, which are incubated orally.Reproduction of Brustiarius solidus at www.fishbase.org.
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