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Dolphin Strandings in Devon and Cornwall UK |
Cetacean Research Southwest (CRS) Dedicated to the rehabilitation and pathology of stranded cetaceans around the coast of the UK |
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Dolphin Stranding at Seaton in South East Cornwall Additional information/photographs accompanying form: CWT_Cetacean_ Stranding_Recording_Form_2005 Brief examination of the carcass:
Date:
Recovered:
SX 303 544 Species: Common dolphin (Delphinus delphis) Sex: Female Length: 1.97 m Tag no: n/a
Condition: Cut marks from a recent injury and missing tip of beak healed (old injury). Injury sustained to the skin covering the beak and lower jaw (Figure 3). Healed injury on inside of beak showing teeth repositioned in gum and deformation of beak tip (Figure 4, 5, 6 and 9). Old scarring on flipper consistent with previous net entanglement (Figure 7), and old injury on head below the eye (Figure 8). This animal has obviously suffered serious trauma in the past (possibly from net entanglement) from which it survived until it was caught again, this time with fatal consequences.
Age of carcass - approximately 10 days post-mortem Possible cause of death – Fishing Bycatch
Figure 1. The female common dolphin on Seaton beach
Figure 2. The common dolphin stranded at Seaton. The hatched circles define the areas that have sustained visible injury
Figure 3. Cut marks from a recent injury and missing tip of beak healed (old injury)
Figure 4. Healed injury on inside of beak showing teeth repositioned in gum and deformation of beak tip
Figure 5. Deformation of the beak and lower jaw (anterior dorsal view)
Figure 6. Deformation of the beak and lower jaw (old injury)
Figure 7. Old injury on flipper consistent with previous net entanglement
Figure 8. Old injury on head below the eye
Figure 9. Comparison between the lower jaw (with broken teeth) from the Seaton stranding (top) and another D. delphis jaw without the deformation
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