Saving Populations
Sarasota dolphins are “urban dolphins.” As such, they face many threats living in an environment heavily affected by human activities.
The dolphins must share the waterways with thousands of motor boats. The boats range from jet skis and small runabouts to large cabin cruisers, yachts and barges.
Motor boats create a noisy environment, potentially noisy enough to interfere with the dolphins’ echolocation, the sounds they make to communicate with one another, or the sounds of the fish they are seeking for food.
Recreational fishing also may create a hazard for the dolphins. Dolphins are sometimes hooked or entangled in fishing line.

Contents of this barrel may have leaked into the water. If so, chemicals could have entered the dolphin food chain.
Human pollution creates other hazards for dolphins. Chemicals in the water can contaminate fish eaten by wild dolphins. This contamination, from a variety of sources threatens the health of dolphins.
Some boaters feed wild dolphins, not knowing that this creates a threat to both the dolphins and the humans, and that it is illegal.
All photos © Sarasota Dolphin Research Program under NMFS permit #522-1785











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