known common names seven spot species fish genus usually larger centimetres grow centimetres unlike colour feeding insects fish matter surface water breeding occurs wet season eggs laid time distributed southeast asia live fresh water inhabiting swamps upstream slow moving rivers occasionally caught eaten commonly kept sold collective label caring somewhat difficult need live food given surface food description moderate size usually centimetres rarely reach centimetres length weigh grams believed lifespan years dorsal spines fourth longest thirteen dorsal soft rays dorsal spines generally shorter specimens collected freshwater water anal spines seventeen anal soft rays lateral line scales caudal tail fin square anal fin undivided anal spine longest overall body gold dorsal greenish brown pectoral fins clear colour pelvic fins darker heavily white usually seven dark alternating long short dorsal dark found base caudal fin colour darker lighter time day environment stress young fish darker older fish stressed fish darker fish fish found cloudy water completely white unknown sexual occurs comparison distinguished colour opposed typical silver dorsal spines markings flanks alternating long short spots bands seven markings sides whilst banded lateral line scales compared common upstream behaviour diet feeding like able spit streams water knock prey water despite lacking developed visual pattern recognition abilities allow hit prey distances centimetres complex backgrounds behaviour studies visual processing found species able recognize distinguish different human faces feed day consuming plant matter insects diet comprises crustaceans fishes insects terrestrial aquatic called specialised prey certain insects particularly feed plants diet appears varying age small fish consume matter whilst comprises fourth diet larger fish diet varies location upstream feed insects estuary feed crustaceans breeding reproduce spawning spawning females spawn season spawning occurs fish lifespan breeding occurs wet season breed fresh water spawning occurs shallow muddy females lay eggs millimetres diameter females mature centimetres males mature centimetres active months hatch larvae length feed developed parental care species breeding species involve travelling downstream nonetheless populations affected construction obstacles rivers inhabit bred captivity distribution found india burma indonesia new_guinea northern australia generally found temperature ranges recorded temperatures high rivers region low river region believed upper lower limits tolerance respectively swamps form main habitat found freshwater rivers streams occurs rivers region western_australia area australia river found far north thailand found upper parts river having overcome distributed eastern australia abundant known occur shaded areas vegetation overhead usually layer water column found intact area major source food usually found fast flowing streams relationship humans minor fisheries caught described reasonable eating caught sold markets grouped banded simply sold kept reach centimetres length compared centimetres wild species commonly traded placed minimum size centimetres deep volume litres imp gal gal prefer water need tall ability jump water wild capture prey low hanging branches capable jumping short uncovered compatible species similar size larger individuals harass smaller individuals fed live food surface occasionally food caring home fairly common considered endangered destruction swamp habitat increased fishing pressure pose risk future construction tidal habitat affect populations rivers growing population southeast_asia causing pollution habitat study found increased greater levels mercury specimens sampled lake murray contributed increased mercury levels locals consumed species fish lake included compared fishes tested displayed high level mercury sediments nearby gold silver source mercury cause high level mercury accumulated known
Toxotes chatareus