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BiologyInhabit lakes and large rivers (Ref. 4967). Occur in shallow water with muddy bottom. Omnivore, feed on plankton, mollusks, seeds and detritus (Ref. 13868). Oviparous (Ref. 205). Nested eggs are guarded by the male parent (Ref. 47642). Furthermore, the male plays host to eggs and young of Dinotopterus cunningtoni which takes advantage of the already prepared nest and feed on the host brood (Ref. 49546). An example of interspecific brood care.