Marine teleost locates live prey through pH sensing

Author:

Caprio John1,Shimohara Mami2,Marui Takayuki3,Harada Shuitsu4,Kiyohara Sadao2

Affiliation:

1. Department of Biological Sciences, Louisiana State University, Baton Rouge, LA 70803, USA.

2. Graduate School of Science and Engineering, Department of Chemistry and BioScience, Kagoshima University, Kagoshima 890-0065, Japan.

3. 409 Koyocho, Sukagawa, Fukushima, 962-0401, Japan.

4. Department of Oral Physiology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8544, Japan.

Abstract

Hold your breath or the catfish will find you Finding prey is hard enough in the light of day, but animals that are nocturnal or live in murky conditions face even greater challenges. Caprio et al. describe a sense that allows a marine catfish to detect the mere “breathing” of their prey target. External sensors on the catfish's whiskers detect pH changes generated by hidden, respiring polychaete worms. Science , this issue p. 1154

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference32 articles.

1. P. W. Sorensen J. Caprio in The Physiology of Fishes D. H. Evans Ed. (CRC Press Boca Raton FL ed. 2 1997) pp. 375–405.

2. Yoshino T., Kishimoto H., Bull. Natl. Mus.Nat. Sci. Ser. A 2 (suppl.), 1 (2008).

3. Central respiratory chemoreception

4. Astrocytes Control Breathing Through pH-Dependent Release of ATP

5. Food- and light-entrainable oscillators control feeding and locomotor activity rhythms, respectively, in the Japanese catfish, Plotosus japonicus

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