Ciliary muscle spasm: Related Topics. These medical condition or symptom topics may be relevant to medical information for Ciliary muscle spasm: 1  Ciliary muscle. 2  Muscle spasm (29 causes). 3  Ciliary. 4  Muscle. 5  Muscle symptoms (7251 causes). 6  Muscle disease.
Dolphins can at times be found in rivers as well. River dolphins are four living species of dolphin, which reside in freshwater rivers and estuaries. They are classed in the Platanistoidea super family of cetaceans. Three species live in fresh water rivers.The fourth species, the La Plata Dolphin, lives in salt-water estuaries and near-shore marine environments. However, it is scientifically classed in the river dolphin family rather than the oceanic dolphin family. These species may never venture towards the oceans.hree species live in fresh water rivers. The fourth species, the La Plata Dolphin, lives in salt-water estuaries and near-shore marine environments. However, it is scientifically classed in the river dolphin family rather than the oceanic dolphin family. These species may never venture towards the oceans.
The other half is made up primarily of whales and a few species of porpoise. Of the 40 + known species of dolphin most species are not known to live in freshwater environments; at least not for long periods of time.Dolphins that are not considered freshwater dolphins may visit or travel through freshwater environments, but they ultimate return back to their saltwater habitat.he other half is made up primarily of whales and a few species of porpoise. Of the 40 + known species of dolphin most species are not known to live in freshwater environments; at least not for long periods of time.