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Oviparous fish are fish that reproduce by spawning fertilized eggs outside of the body that grow into hatchlings.This process is unlike live-bearing viviparous species, which develop and nourish embryos and inside the womb, or live-beaering ovovivipary species, which develop and nourish eggs with egg yolk.
Fish with low inbreeding showed almost twice the aggressive pursuit in defending territory than fish with medium inbreeding, and furthermore had a higher specific growth rate. A significant effect of inbreeding depression on juvenile survival was also found, but only in high-density competitive environments, suggesting that intra-specific ...
The Amazon molly (Poecilia formosa) is a freshwater fish native to the warm waters of northeastern Mexico and the southern parts of the U.S. state of Texas. [1] [3] It reproduces through gynogenesis, and essentially all individuals are females.
Pages in category "Fish reproduction" The following 15 pages are in this category, out of 15 total. This list may not reflect recent changes. ...
The building was built in 1926 [2] and purchased by Archie Smith in 1927, who established a fishing business there. The site included an expanded house, a shed for net storage, a crab house, a fish house, and extensive docks. [3] The business office was built in 1927, and the ice house (originally Old Roseland Railroad Depot [2]) was built in ...
The center is formed with very fine sand particles with respect to the outer portion. It is now thought that they are the most ordered structures created by any fish. [4] [5] Movements of the white-spotted pufferfish for nest construction. The fish begins making the structure by forming a simple circle shape in the sand using its belly. [5]
The adults live on the sea floor, between 100 and 2,800 m (330 and 9,190 ft) deep, [7] [8] The intense biological pressure to conserve energy within deep sea fish seems to be true across many species; most of them are long lived, have a slow rate of reproduction, growth, and aging. Furthermore, studies have shown that the Psychrolutidae species ...
Poecilia sphenops, called the Mexican molly or simply the molly, is a species of poeciliid fish from Central America. It was once understood as a widespread species with numerous local variants ranging from Mexico to Venezuela, but these variants are today considered distinct species belonging to the P. sphenops complex and P. sphenops itself as being native to Mexico, Guatemala, and Honduras.