they look like this, with their gills sort of sticking out.
Look under its skirt
Betta splendens do not get angry with people. If you think your Betta is angry with you it will be your guilty concience. I advise you to look after your fish well. Give it good food, good conditions and change its water regularly and thereby have no conscience pangs.
fish are fish
Fish
Dolphins look like dolphins and why would they look like a fish when they are a mammal?
There are thousands of species of fish and they all look different from one another in some way. Seawater fish look like fish as do freshwater fish.
You provide the male fish with optimum water conditions for its species. He will care for the eggs (ova) and look after them until they are free swimming.
Like a hokie fish
they look like fish.
If your Betta is developing the long fins, bright colours and male temperament, then you can safely assume it is a late developing male fish and was incorrectly sexed as a youngster.
The leafy sea dragon, a marine fish related to seahorses, is known for its elaborate camouflage that makes it look like floating seaweed or kelp. This unique appearance helps the fish blend in with its environment and avoid predators.
It looks sleek and aggressive.