I'm sure that slug of freshwater killed (the algae) and sucked all the oxygen out of the water with it." How to report a fish kill "There had been bioluminescence in the lagoon recently, which is an algae. "There's nothing to slow it down," Hinck said. The C-54 Canal floodgates were closed, but the adjacent canal on the south side of Fellsmere Grade drains western lands into the Sebastian River across a spillway below the canal floodgates. Nearly 5.5 inches fell over Fellsmere Friday, according to a National Weather Service meteorologist. Hinck, the Sebastian angler, said he thinks heavy rainfall contributed to the problem. Got butter? Florida fishing: Spiny lobster mini-season excites divers from Sebastian to Florida Keysįellsmere rainfall: Rain totals on Treasure Coast above normal as heat advisory issued in St. "Instruments on NOAA and Florida Department of Environmental Protection buoys in the area have detected unusually high water temperatures throughout the month," Cody said. In the Keys and Florida Bay, dead species included grunts, pinfish, hogfish, mangrove snapper, toadfish, parrotfish, scorpion fish, puffers, moray eels, mojarras and seahorses, as well as spiny lobsters and spider crabs, Cody said. "Some species are more sensitive than others, but the higher the temperature, the faster the change, and the longer the hot conditions last, the more difficult it is for fish to survive and mortalities can occur." "As with all animals, fish can maintain normal physiological function only within a certain temperature range, and outside that range their body systems can’t function," Cody said. The hotter the saltwater, the lower the dissolved oxygen, which can kill fish, FWRI research scientist Theresa Cody said. The Florida Fish and Wildlife Research Institute received several reports of fish kills in the Florida Keys and Florida Bay from July 7-20, so the same could be occuring in the lagoon, FWRI spokesman Jonathan Veach said.
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