The ventral fin on any fish is on the underbelly of the body closest to the anal vent.
An abdominal fin is one of a pair of posterior fins in fish - the pelvic fin and the ventral fin.
An abdominal fin is one of a pair of posterior fins in fish - the pelvic fin and the ventral fin.
NOTHING
Caudal fin, Dorsal fin, Pectoral fin, Ventral fin, and the fin.
Yes, it is the fin on the ventral surface of the fish between the anus and the caudal peduncle.
The opposite of it's dorsal. The Dorsal is the back, Ventral is the Front. Hence the dorsal fin on ocean-based organisms
The 'dorsal-fin' extends upward from the back of organisms; so anything Ventral must reside near to an organism's front-side.
Best bet to get a mating pair is to buy 3 - 5 small angelfish and allow them to "pair off" and then to return/give away remainders as they will only cause interference and usually damaged fish from fighting. Once a pair has been selected and reared to maturity, keeping proper water conditions, ensuring no "bully" or more aggressive fish is present, while providing spawning areas is the only thing you must do, The fish will do the rest. I answered in a vague and general way due to the nonspecific type of angelfish as there are fresh and salt. This answer is suitable for most fish, in both types of waters.
Angelfish lay eggs so they do not get pregnant. They do however come into breeding condition when well looked after and their living conditions are suitable. When this happens they develop a slight plumpness above the ventral fins and a small tube called an ovipositor is visible descending between the fishes ventral fins.
the ventral side. the dorsal side is the back of the rat ( think of the dorsal fin on a wale is on its back )
a dorsal fin is the one (or more) located on the back of a fish or aquatic mammal - its the fin that you see when a shark is swimming just under the surface of the water. Ventral fins are the ones toward the rear of the body and help in steering the animal through the water
caudal fin-the tail pectoral fin-the tail on the ventral side of the shark just above the pelvic fins pelvic fin- the underside fins that serve as the "arms" of the shark dorsal fin-the top fin that is usually seen on the surface of water in shark attacks