If you don’t use it, you lose it—at least this appears to be the case for a blind cave fish found in Mexico and the southern U.S. known as Astyanax mexicanus. Descended from an eyed surface fish, ...
The annual fall run of young salmon from their inland birthplaces in rivers to the sea is one of Nature’s dramatic migrations. But this year, a number of chinook salmon may make that journey by truck. This week, state ...
The last few weeks have been pretty eventful for the axolotl (Ambystoma mexicanum), a critically endangered Mexican salamander. At the end of January the charismatic creature was feared to be extinct in the wild when a three-month survey in its ...
Meet the Indian purple frog, also known as the pig-nosed frog. Only formally discovered in 2003, the colorful amphibian is an endangered species native to the mountains of India’s Western Ghats. With a chubby, purple body and pointed, piglike snout, ...
This week, scientists in Brazil weren’t kidding when they said that they “hit the mother lode.” They were referring to a mass hatching of an estimated 210,000 giant South American river turtles at the Abufari Biological Reserve. It’s one ...
You might think of crocodiles lurking in the water or perhaps sunning themselves on a riverbank, but it turns out these toothy reptiles’ domain extends to the upper branches of trees. A new study in Herpetology Notes documents the ...
New research shows crocodiles frequently make their way up trees to bask in the sun and keep an eye on their environment. You might think of crocodiles as being at home in the water — but it turns out these toothy ...
The giant “devil frog” was even more terrifying than previously thought, a new study says. Recent fossil analysis shows that the predatory amphibian, Beelzebufo ampinga, was smaller than first described, but had spiky flanges protruding from its skull and plate-like ...
This week, for the first time, a fish has been declared recovered under the U.S. Endangered Species Act. The U.S. Fish and Wildlife Service proposed this week that the Oregon chub (Oregonichthys crameri) “has recovered and no longer ...
Scientists in Brazil proposed a new species of river dolphin this week, the first such designation for the highly endangered group in a century. The proposed new species of river dolphin, the Araguaian boto (Inia araguaiaensis), was found in the ...
Earlier this week we reported on the first confirmed video that shows what many people had long feared: that some fish can leap out of the water and snatch birds in midair. That fish is the tigerfish, a “megafish” that ...
Genitals are useful for transferring sperm, but why stop there? Some animals have evolved unusual and creative ways to use their naughty bits to trick predators or attract mates. Recently, scientists discovered that hawkmoths have an unusual defense against ...
Water Currents previously reported on Donald Stewart‘s ongoing efforts to reclassify a giant Amazonian fish as representing several distinct species. The work of the fish biologist at the SUNY College of Environmental Science and Forestry (ESF) is supported in ...
These fish are born out of water. The fish Copella arnoldi is commonly called the splash tetra or splashing tetra, due to its unique reproductive behavior. That is, it lays its eggs outside of water. It is one of few ...
Conservation India reports that an endangered Ganges river dolphin (or Gangetic dolphin, Platanista gangetica gangetica), was killed by villagers in Assam this week. A fishmonger was seen selling the marine mammal’s meat at a roadside market in Lezai-Kalakhowa. ...