How do albino fish hear?
2011
Hearing Abilities in Albino and Pigmented Catfish
publication
10 minutes
Evidence: moderate
Author Information
Author(s): Walter Lechner, F. Ladich
Primary Institution: University of Vienna
Hypothesis
Does albinism affect hearing abilities in non-mammalian vertebrates like catfish?
Conclusion
The study found no association between albinism and hearing ability in catfish.
Supporting Evidence
- Neither auditory sensitivity nor shape of AEP waveforms differed between normally pigmented and albinotic specimens.
- Silurus glanis and C. aeneus showed the best hearing between 0.3 and 1 kHz.
- The study is the first to test hearing in the catfish family Siluridae.
Takeaway
This study looked at whether albino catfish can hear as well as their normally colored friends, and it turns out they can hear just fine!
Methodology
The study measured hearing thresholds using auditory evoked potential (AEP) recordings at various frequencies.
Limitations
The study only included two species of catfish and may not be generalizable to all fish.
Participant Demographics
The study involved two species of catfish: Silurus glanis and Corydoras aeneus.
Statistical Information
P-Value
P=0.357
Statistical Significance
p>0.05
Digital Object Identifier (DOI)
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