Freshwater tropical fish in the wild

Breeding Vulnerable Freshwater Fish

pupfishWhy breed?

Though marine fish receive a large amount of attention for conservation work, the plight of freshwater fish is, if anything, more serious. Fish Net is a global consortium of organisations initiated by ZSL working to conserve freshwater fish species. The strategies include breeding programmes to protect the remaining individuals of the 385 critically endangered species, that will almost certainly go extinct without such action.

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Safety Nets for Species

The Aquarium at ZSL London Zoo is playing a major role in breeding projects for species in imminent danger of complete extinction, including the Corfu killifish and several Mexican species of pupfish and live-bearers.

The Corfu Killifish (Valencia letourneuxi) is one of the first species on which the Fish Net project has focussed. It used to inhabit a range in southern Albania and Western Greece, but has suffered a 50% decline in population over the past decade. Due to continued loss of habitat and competition from invasive species, it is projected to decline by 80% over the next decade. In 2005, ZSL teamed up with the Institute of Inland Waters in Greece, to conduct the first ever complete survey of the species’ range in Greece. On-going work includes a potential translocation of the species back into one of its former springs.

One of our PupfishThe ZSL’s is breeding four species of pupfish from Mexico. These fish live in small desert pools and can tolerate vast ranges of temperature, from nearly freezing to up to 40 degrees C as well as water salinities higher than seawater. Despite their hardy nature, of the pupfish species investigated by IUCN, 2 pupfish are Extinct, 3 Extinct in the Wild, and 12 Critically Endangered. This is due to their restricted habitats being drained for crops and invaded by alien species. The Chequered pupfish (Cualac tesselatus) is Endangered, Charco Palma pupfish, (Cyprinodon veronicae) is Critically Endangered, while the Potosi pupfish (Cyprinodon alvarezi) and the La Palma pupfish (Cyprinodon longidorsalis) are now Extinct in the Wild.


The Greenwich Workshop Press Wild: 75 Freshwater Tropical Fish of the World
Book (The Greenwich Workshop Press)

Sustainable Reef Fish Collecting

by WD6ESZ

When: Friday, May 21, 2010 @ 7:00 p.m. Where: IHOP, 1001 E 17th St, Santa Ana CA 92701-2546 To learn more about SCMAS: Guest Speaker: Ret Talbot Ret Talbot is an award-winning freelance writer and photographer who frequently reports on the marine aquarium industry. Most often addressing topics at the intersection of the hobby, science and conservation, Talbot is a strong advocate for a robust and sustainable marine aquarium trade where aquarists serve a critical role on the front line of reef conservation. As a marketing consultant and editor, he has worked with many leading marine aquarium companies to promote that vision

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