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Fig. 9. Influence of rearing temperature on dorsal and anal fin ray muscle
development in Atlantic herring (Clupea harengus). (A) Embryos were
incubated at 5 °C (open circles) or 12 °C (filled circles) until first
feeding and then reared at ambient temperature. (B,C) Whole-mount larvae of
16.2 mm total length stained for acetylcholinesterase activity following the 5
°C (B) and 12 °C (C) rearing regimes. From Johnston et al.
(2001). a, anus;
frm, fin ray muscles; ms, myosepta. (D) Number of dorsal fin
ray muscles (second-order polynomials were fitted to the data) and (E) number
of anal fin ray muscles innervated in relation to total body length
(TL) in larvae reared under the two thermal regimes shown in A.
First-order linear regressions were fitted to the data.
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