Croaking gourami Croaking gourami The croaking gourami ("Trichopsis vittata") is a species of small freshwater labyrinth fish of the gourami family. They are native to still waters in Southeast Asia and are distributed worldwide via the aquarium trade. Croaking gouramis are capable of producing a "croaking" noise using their pectoral fins. Croaking gouramis can reach an average size of about 5 centimeters, though some individuals can grow as large as 6 or 7 centimeters. Coloration is highly variable, ranging from pale brown and green to dark purple with black or red spots on the fins. 2-4 brown or black stripes or rows
Kissing gourami superior (upward-facing) as in other gourami families, the kissing gourami's mouth is highly protrusible as its family name suggests, the lips are lined with horny teeth. However, teeth are absent from the premaxilla, dentaries, palatine, and pharynx. The gill rakers are also well-developed and numerous. The visible scales of the body are ctenoid, whereas the scales of the top of the head are cycloid. Kissing gourami reach a maximum of in total length. There is no outward sexual dimorphism and is difficult to almost impossible to distinguish the sexes. Two colour morphs are encountered: greens, which have lengthwise lateral stripes