River Blackfish and Similar Species
Gadopsis marmoratus
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Open the appSeveral fish can be confused with River Blackfish. Here are the key differences.
Species often confused with {name}
Two-spined Blackfish
Gadopsis bispinosus
Key differences: Distinguished by having only two dorsal fin spines (compared to 6-10 in G. marmoratus) and generally a more slender body. It also has a more restricted, upland distribution.
Tasmanian Blackfish
Gadopsis tasmanicus
Key differences: Historically considered a subspecies or synonym of G. marmoratus, but now recognized as a distinct species endemic to Tasmania. Morphologically very similar, but genetic analysis confirms separation. Often has a more uniform dark coloration.
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