What are the characteristics of oreochromis Niloticus?

Fish

How many subspecies of Oreochromis are there?

The following subspecies were previously recognized: Oreochromis niloticus baringoensis, Oreochromis niloticus cancellatus, Oreochromis niloticus eduardianus, Oreochromis niloticus filoa, Oreochromis niloticus niloticus, Oreochromis niloticus sugutae, Oreohromis niloticus tana and Oreohromis niloticus vulcani.

What are the morphometric characteristics of a Thailand strain of Oreochromis niloticus?

The present study is conducted to describe the morphometric characteristics of a Thailand strain of Oreochromis niloticus. The total length of the observed fish ranged from 7.96 – 17.36 cm. Body measurement and proportions are extensively used for identification of this species.

Is Oreochromis niloticus gynogenetic in tilapia?

Electrophoretic studies on induced gynogenetic diploids and triploids in tilapia (Oreochromis niloticus and O. aureus). [ICLARM Conference Proceedings], 15 [ed. by Pullin RSV, Bhukaswan T, Tonguthai K, Maclean JL]. 267-274. Schwank EJ, 1995. The introduced Oreochromis niloticus is spreading on the Kafue floodplain, Zambia.

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Where is Odo niloticus native to?

O. n. niloticus has a very wide natural range and is native to (in alphabetical order) Burkina Faso, Cameroon, Chad, Egypt, Ethiopia, Gambia, Ghana, Guinea, Israel, Ivory Coast, Liberia, Mali, Niger, NIgeria, Senegal, Sierra Leone, Sudan, Togo and Uganda.

What is the meaning of the name Oreochromis?

Etymology: Oreochromis: Latin, aurum = gold + Greek, chromis = a fish, perhaps a perch (Ref. 45335); niloticus: From “Filhoa” = the Amharic word for “hot spring” (Ref. 2) More on author: Linnaeus . Freshwater; brackish; benthopelagic; potamodromous (Ref. 51243 ); depth range – 20 m (Ref. 32849 ), usually – 20 m (Ref. 34290 ).

What does Oreochromis niloticus look like?

Oreochromis niloticus. In Cultured aquatic species fact sheets. Text by Rakocy, J. E. Edited and compiled by Valerio Crespi and Michael New. CD-ROM (multilingual). Body compressed; caudal peduncle depth equal to length. Scales cycloid. A knob-like protuberance absent on dorsal surface of snout. Upper jaw length showing no sexual dimorphism.

How much variation is there in the Nile tilapia morphometric pattern?

The univariate (ANOVA) and multivariate analyses (principal component analysis, PCA, and discriminant function analysis, DFA) showed a low variability among populations. The morphometric pattern observed in 3 stocks of Nile tilapia reflects variation primarily along three axes. Together these components accounted 81.20% of observed variation.

Is there any study on the morphology of tilapia in Thailand?

The na tural morphology or m orphometric charac ters of Tilapias were reported in Pakistan [12]. Few studies have been conducted in Thailand. This s tudy describe s the measurements or

Is there a culture of Oreochromis niloticus in freshwater?

Nile tila pia (Oreochromis niloticus) culture has increased in freshwater since its introduction to T hailand f rom Japan in 1960s. Following its introduction, this species has

What is the difference between tilapia and Oreochromis?

The Wami tilapia closely resembles O. mossambicus and was previously considered a strain (Zanzibar strain) of that species; it was later elevated to species status (i.e., Tilapia hornorum). Trewavas (1983) more recently determined T. hornorum to be a subspecies of Oreochromis urolepis (i.e., Oreochromis urolepis hornorum).

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What is the difference between Oreochromis urolepis and Trewavas hornorum?

Trewavas (1983) more recently determined T. hornorum to be a subspecies of Oreochromis urolepis (i.e., Oreochromis urolepis hornorum). Trewavas (1983) gave distinguishing characteristics, synonyms, illustrations, a key, and a discussion of hybrids.

Where is Oreochromis aureus found?

Oreochromis aureus is native to Cameroon, Chad, Egypt, Israel, Jordan, Mali, Niger, Nigeria, Saudi Arabia and Senegal in tropical and subtropical areas of Africa and the Middle East.

Can soybean meal replace fishmeal in tilapia (Oreochromis niloticus)?

Defatted and full-fat soybean meal as partial replacement for fishmeal in tilapia (Oreochromis niloticus O. aureus) diets at low protein level. Aquaculture, 86 (4):401-407; 17 ref Shipton T, Tweddle D, Watts M, 2008. Introduction of the tilapia (Oreochromis niloticus) into the Eastern Cape. Species risk assessment.

What is tilapia del Nilo (Oreochromis niloticus)?

La tilapia del Nilo (Oreochromis niloticus) es una de las especies más importantes en la acuicultura a nivel mundial; sin embargo, el uso de esteroides para masculinizar grandes volúmenes de alevines es visto negativamente por el mercado y por grupos medioambientales.

What is the difference between Oreochromis spilurus and tilapia?

The mature male (Oreochromis spilurus) has similar bright-blue anal and pelvic fins to our newly identified subspecies Oreochromis spilurus saudii. Finally, our newly identified subspecies of tilapia can survive and be reared in 37 • C [15], while Oreochromis spilurus are usually raised in 24-28 • C [16].

What influences egg quality and Fry performance in Oreochromis species?

“Parental influences on egg quality, fry production and fry performance in Oreochromis niloticus (Linnaeus) and O. mossambicus (Peters)”. University of Stirling. ^ Soliman, N.F.; D.M.M. Yacout (2016). “Aquaculture in Egypt: status, constraints and potentials”. Aquaculture International. 24 (5): 1201–1227. doi: 10.1007/s10499-016-9989-9.

Can Oreochromis live in brackish water?

Although Oreochromis primarily are freshwater fish of rivers, lakes and similar habitats, several species can also thrive in brackish waters and some even survive in hypersaline conditions with a salinity that far surpasses that of seawater.

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Is Oreochromis a paraphyletic species?

A comprehensive genetic study that included almost all the species, as well as the closely related Alcolapia, found that Oreochromis as currently defined is paraphyletic.

How big do Oreochromis get?

Oreochromis are fairly robust fish, and medium–small to very large ciclids that can reach up to 9.4–61 cm (3.7–24.0 in) in total length depending on the exact species.

What kind of fish is Odo niloticus?

O. niloticus niloticus. The Nile tilapia (Oreochromis niloticus) is a species of tilapia, a cichlid fish native to Africa from Egypt south to east and central Africa, and as far west as Gambia.

What is Oreochromis?

Oreochromis is a large genus of oreochromine cichlids, fishes endemic to Africa and the Middle East. A few species from this genus have been introduced far outside their native range and are important in aquaculture.

Is Oreochromis niloticus in the Limpopo River?

Oreochromis niloticus (Teleostei: Cichlidae) now in the Limpopo River system. South African Journal of Science, 96 (1):47-48 Watanabe T, Kiron V, Satoh S, 1997.

What animals eat O. niloticus?

O. niloticus is predated upon by shoreline birds, large piscivorous fish (such as tigerfish Hydrocynus vittatus, Nile perch Lates niloticus and catfish Claris gariepinus) and crocodiles.

What is the taxonomic tree of the Nile tilapia?

Taxonomic Tree. Domain: Eukaryota. Kingdom: Metazoa. Phylum: Chordata. Subphylum: Vertebrata. Class: Actinopterygii. Summary of Invasiveness. The Nile tilapia, Oreochromis niloticus, is an African freshwater cichlid and one of the world’s most important food fishes.

Is Oreochromis niloticus spreading on the Kafue floodplain?

The introduced Oreochromis niloticus is spreading on the Kafue floodplain, Zambia. In: Hydrobiologia, 315 143-147. Shetty HPC, Nandeesha MC, Jhingran AG, 1989. Impact of exotic aquatic species in Indian waters. In: Exotic aquatic organisms in Asia [Proceedings of the Workshop on Introduction of Exotic Aquatic Organisms in Asia.