Danionella priapus, a new species of miniature cyprinid fish from West Bengal, India (Teleostei: Cypriniformes: Cyprinidae)
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Danionella priapus, a new species of sexually dimorphic miniature cyprinid from the Brahmaputra drainage in India, is distinguished from the other three species in the genus by the presence in adult males of a conical projection of the genital papilla situated between funnel-shaped pelvic fins, the number of analand pectoral-fin rays, and the position of insertion of the last anal-fin pterygiophore. It differs further from D. translucida and D. mirifica in details of the colour pattern, from D. dracula and D. mirifica in number of procurrent caudal-fin rays, from D. translucida in number of vertebrae and from D. dracula in several skeletal characters. Like the other species in the genus, D. priapus shows a developmentally truncated skeleton that is associated with several evolutionary morphological novelties. The present distribution of the Danionella species may be the result of a vicariance event in the early Miocene, when the tectonic uplift of eastern Tibet and the Indo-Burman ranges lead to the interruption of the palaeo-connection between the Tsangpo (Brahmaputra) and the upper Irrawaddy Rivers.
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Species of the genus Danionella possess unique morphological novelties in males.
“Species of the genus Danionella are further remarkable in possessing a number of unique morphological novelties in males.”
From The emerging vertebrate model species for neurophysiological studies is Danionella cerebrum, new species (Teleostei: Cyprinidae) (2021) · cites this paper as [5]
Male Danionella have a large drumming muscle that originates from expanded bony flanges on the os suspensorium of their Weberian apparatus and inserts on a hypertrophied fifth rib.
“a large drumming muscle that originates from expanded bony flanges on the os suspensorium of their Weberian apparatus and inserts on a hypertrophied fifth rib”
From The emerging vertebrate model species for neurophysiological studies is Danionella cerebrum, new species (Teleostei: Cyprinidae) (2021) · cites this paper as [5]
The four described species of Danionella are tiny, transparent fishes that mature at sizes between 10-15 mm.
“The four described species of Danionella are tiny, transparent fishes that mature at sizes between 10–15 mm”
From The emerging vertebrate model species for neurophysiological studies is Danionella cerebrum, new species (Teleostei: Cyprinidae) (2021) · cites this paper as [5]
In male Danionella, the gut and genital ducts are redirected so that both open between the pelvic fins.
“These include a redirection of their gut and genital ducts so that both open in between the pelvic fins”
From The emerging vertebrate model species for neurophysiological studies is Danionella cerebrum, new species (Teleostei: Cyprinidae) (2021) · cites this paper as [5]
Four species of the genus Danionella, maturing at sizes of 10-15 mm in length and including some of the smallest fishes and vertebrates, have been described from Myanmar and northeastern India.
“So far, four species of the genus Danionella, maturing at sizes of 10–15 mm in length and including some of the smallest fishes and vertebrates, have been described from Myanmar and northeastern India3–6.”
From The emerging vertebrate model species for neurophysiological studies is Danionella cerebrum, new species (Teleostei: Cyprinidae) (2021) · cites this paper as [5]
Male Danionella have a conical drumming cartilage that probably works like a drumstick on the anterior swimbladder chamber.
“and a conical drumming cartilage that probably works like a drumstick on the anterior swimbladder chamber4–6,9.”
From The emerging vertebrate model species for neurophysiological studies is Danionella cerebrum, new species (Teleostei: Cyprinidae) (2021) · cites this paper as [5]
The four recognized species of Danionella have been distinguished by fin-ray counts and internal anatomy.
“The four recognized species have thus been distinguished by fin-ray counts and internal anatomy4–6”
From The emerging vertebrate model species for neurophysiological studies is Danionella cerebrum, new species (Teleostei: Cyprinidae) (2021) · cites this paper as [5]
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Britz, R., Conway, K. W., & Rüber, L. (2021) · Scientific Reports · doi:10.1038/s41598-021-97600-0 · Cited by 53 · see citing works
Self-citationThe genome sequence of the Dracula fish, Danionella dracula (Britz, Conway & Rüber, 2009)
Rüber, L., Britz, R., Conway, K., Bista, I., McCarthy, S., Wood, J., Smith, M., Oliver, K., Howe, K., & Durbin, R. (2024) · Wellcome Open Research · doi:10.12688/wellcomeopenres.21117.1 · Cited by 3 · see citing works
Self-citation
- Authors
- BRITZ, R.
- Affiliations
- Natural History Museum (GB)
- Corresponding author
- BRITZ, RALF
- ORCID
- BRITZ, RALF
- Venue
- Zootaxa
- Publisher
- Magnolia Press
- Published
- 2009-10-30
- Volume
- 2277
- Issue
- 1
- ISSN
- 1175-5326 (ISSN-L)
- 1175-5334
- OpenAlex
- W2329941489
- Cited by
- 17
- References
- 0
- Citations by year
- 2026: 1 · 2024: 3 · 2022: 1 · 2021: 2 · 2020: 1 · 2018: 1 · 2017: 1 · 2015: 2 · 2014: 3 · 2013: 1
- FWCI
- 0.45
- Type
- journal article
- Language
- en
- Open access
- Licence
- public-domain
- Locations
- Zootaxa (publishedVersion)
- Zenodo (CERN European Organization for Nuclear Research) (submittedVersion, public-domain)
- Zenodo (CERN European Organization for Nuclear Research)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Fish Biology and Ecology Studies
- Physical Sciences › Environmental Science › Nature and Landscape Conservation › Fish biology, ecology, and behavior
- Physical Sciences › Environmental Science › Nature and Landscape Conservation › Fish Ecology and Management Studies
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