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ceruleus

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199. The Thresher Shark (Carcharias vulpes).  200.  The Small Blue Shark (C. ceruleus).  201. The Dusky Shark (C. obscurus). 202. The Nurse (Scymnus brevipinna).

199. The Thresher Shark (Carcharias vulpes). 200. The Small Blue Sha...

Public domain scan of a technical diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.

146. The Blue Grosbeak (Coccoborus ceruleus). 147. The Rose-breasted Grosbeak (Coccoborus ludovicianus).

146. The Blue Grosbeak (Coccoborus ceruleus). 147. The Rose-breasted G...

Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image

90. The Spotted Bergal (Ctenolabrus uninotatus). 91. The New-York Shiner  (Stilbe chrysoleucas). 92. The Red-fin ( Leuciscus cornutus). 93. The Common Bergall (Ctenolabrus ceruleus).

90. The Spotted Bergal (Ctenolabrus uninotatus). 91. The New-York Shin...

Public domain scan of a fish, book illustration or drawing, free to use, no copyright restrictions - Picryl description.