There are many different species of large black beetles each with their own unique scientific name. Using a field guide or speaking to an entomologist would be places to start identifying a beetle.
There is no scientific name for just big fish.
They are a big shiny black beetle with long Antennas ( that is were the name long horned beetle comes from) they can grow to be 16 cm long (6.3 inches)
The scientific name for the big intestine is the "colon."
The scientific name is Tiburonia granrojo
Big Cardamom (Amomum Subulatum Roxb. )
The scientifis name for the big horned sheep is Ovis canadensis.
The Bigtooth Aspen's scientific name is Populus grandidentata.
If you find a big black beetle with long antennae in your garden, it is best to leave it alone as it is likely a beneficial insect that helps control pests in your garden. Avoid touching or harming it, and let it continue its natural role in the ecosystem.
The hallus
The accepted scientific name is Pachysphinx modesta.
The scientific name for the black panther, which refers to either a melanistic leopard or jaguar, is Panthera pardus for the leopard and Panthera onca for the jaguar. The term "black panther" is not a distinct species but rather a common name used for these melanistic big cats.
The goliath beetle is the biggest beetle.