Wikipedia

Asian leaffishes are small freshwater fishes of the Nandidae family (biology)|family, from South Asia, with only four genera in the family. These fish usually have small heads, coloration that appears to have evolved to resemble leaves, and very large protractile mouths. Those features, along with their peculiar movements (seemingly intended to resemble a leaf innocently moving through the water) help them to catch fairly large prey compared to their body size, including small fish, aquatic insects, and other invertebrates. They tend to stay in one place and wait for prey; they are "lie-in-wait" predators. Their odd, leaf-like appearance and...

Original article

Genomics from NCBI

TaxId: 30855 Nandidae "leaffishes" [bony fishes] Sequences: nucleotide, protein

• Encyclopedia of life
• FishBase
• Integrated Taxonomic Information System
• World Register of Marine Species
• iPhylo

Map from GBIF