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Figure 1 | BMC Biology

Figure 1

From: Ontogenetic development of auditory sensitivity and sound production in the squeaker catfish Synodontis schoutedeni

Figure 1

Auditory evoked potential audiograms of the size groups investigated. Mean hearing thresholds of the size groups XXS (N = 12), XS (N = 6), S (N = 6), M (N = 5), L (N = 4) and XL (N = 6) of Synodontis schoutedeni tested. Catfish pictures show representative specimens of group XXS (left) and XL (right) drawn in proportional scale for comparative purposes.

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