If you plan on housing multiple juveniles at a decent purchase size, you will need an even larger tank.īut no matter the purchase size of your Freshwater Dolphin Fish, they will grow big and always need plenty of room to swim and explore. The recommended minimum tank size for a single Freshwater Dolphin Fish is 125 gallons. These species vary in full-growth size and purchase size, but they all need a large tank. They need a lot of space and care, which can be too much for a beginner to handle. It’s just the other way around, and these dolphin Mormyrid fish are very aggressive and hardy species.ĭue to their size and temperament, it’s not recommended for beginners to start with these fish. Unfortunately, this is another piece of misinformation spread throughout the community and social media. Many sellers describe these fish as shy and sensitive. Most of them come from rivers with stagnant or slow-moving water, and they prefer muddy areas and soft bottoms. Mormyrus Lacerda (Western bottlenose mormyrid)Īlthough the members are different in size, they all come from the same natural habitats in Africa. Mormyrus longirostris (Eastern bottlenose mormyrid) Here are the average sizes of these most popular species: Species The average Freshwater Dolphin Fish size depends on the particular species. The average lifespan of the freshwater dolphin fish is 5 – 8 years, but some have been known to live up to 10 years with great habitat and top-notch water quality in captivity- the number of two years of age dominates the population. The underside is usually lighter in color. These species have a torpedo-shaped body with a brown, grey, or black coloration. In addition, they have large brain sizes due to their enlarged cerebellum, which is also why they are incredibly personable and intelligent.Īnother interesting adaptation is the auditory vesicle located in their inner ears, which can be used for communication and self-defense. The most distinct feature of Freshwater Dolphin Fish is their short and extended snout. These species are medium-sized fish with a shorter and more bottle-like snout. Mormyrus Lacerda (Western bottlenose mormyrid).Mormyrus longirostris (Eastern bottlenose mormyrid).The most popular ones in the aquarium trade are: Be aware this species is a far smaller species in the genus.Īs we mentioned before, more than one species under the common name Freshwater Dolphin Fish. Most Mormyrids are sold as this species at the local fish store. Species with long, sharp, and tubular snouts are known as the popular “elephant-nosed fish.” The most well-known species is Peters’s elephant-nose fish (Gnathonemus petersii). The shape and structure of mouthparts are one of the main ways to tell apart different members of Mormyridae. These elephantfish come with an extended “elephant-like” snout that is used for mud-sifting and waiting to ambush their prey. Bull. 106: 82-92.The Mormyridae is a diverse family with almost 221 recognized species, is also known as freshwater elephantfish, and originates from the waters of Africa. Age, growth, and reproduction of dolphinfish ( Coryphaena hippurus) caught off the coast of North Carolina. Review of dolphinfish biological and fishing data in Japanese waters. Sexual development, maturity and reproduction of dolphinfish ( Coryphaena hippurus) in the western and central Mediterranean.: Sci. On the identification, distribution, and biology of the dolphins, Coryphaena hippurus and C. Collette, B., Acero, A., Amorim, A.F., Boustany, A., Canales Ramirez, C., Cardenas, G., Carpenter, K.E., de Oliveira Leite Jr., N., Di Natale, A., Fox, W., Fredou, F.L., Graves, J., Viera Hazin, F.H., Juan Jorda, M., Minte Vera, C., Miyabe, N., Montano Cruz, R., Nelson, R., Oxenford, H., Schaefer, K., Serra, R., Sun, C., Teixeira Lessa, R.P., Pires Ferreira Travassos, P.E., Uozumi, Y.
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