Juergen Pollerspoeck

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Questions related from Juergen Pollerspoeck

Is the pictured ray a Longhead Eagle Ray Aetobatus flagellum (BLOCH & SCHNEIDER, 1801)?

I got this two images of a Eagle Ray for photo ID. The person who sent me this images gave me the following information: off Marve, Malad-Mumbai, size is around 20-22 inches, in a fisherman's net,...

03 December 2017 7,977 3 View

Any Idea what kind of shark the pictured one is?

I got this image of a shark for ID. Place of catch is Andaman, India. The image was labeled with Hemitriakis sp. I think it could be Mustelus mosis HEMPRICH & EHRENBERG, 1899. Is this...

13 October 2017 5,359 38 View

Is somebody able to ID this ray?

I got this image of a ray for ID. The disc is wedge-shaped, this would be typical for guitarfishes. The TL of this specimen is about 20 cm. I have no other images! I never saw a ray with such a...

23 January 2017 754 10 View

Can anyone help me with the ID of this billfish (Istiophoridae) vertebrae?

I found the some billfish vertebrae (Istiophoridae) in Samara, Costa Rica, Pacific coast. Following Nakamura 1983 and 1985 I think there are two possible species: Tetrapturus angustirostris (no...

27 March 2016 3,106 3 View

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SIMPFENDORFER, C.A. & YEISER, B.G. & WILEY, T.R. & POULAKIS, G.R. & STEVENS, P.W. & HEUPEL, M.R. 2011 Environmental Influences on the Spatial Ecology of Juvenile Smalltooth Sawfish ( Pristis...

12 April 2011 8,106 2 View