Loricaria: Difference between revisions
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==Ecology== |
==Ecology== |
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The site of egg deposition varies; ''L. curvispina'' places its eggs over flat rocks in rapids.<ref name="Eric"/> In some species, eggs are carried on the enlarged lower lip of the male. ''L. piracicabae'' has its egg adherent to its ventral surface.<ref name="Eric">{{cite journal|journal=Env. Biol. Fish.|volume=7|issue=2|pages= |
The site of egg deposition varies; ''L. curvispina'' places its eggs over flat rocks in rapids.<ref name="Eric"/> In some species, eggs are carried on the enlarged lower lip of the male. ''L. piracicabae'' has its egg adherent to its ventral surface.<ref name="Eric">{{cite journal|journal=Env. Biol. Fish.|volume=7|issue=2|pages=143–148|year=1982|title=The reproductive biology of an armoured catfish, ''Loricaria uracantha'', from Central America|first=G.|last=Eric|coauthors=Moodie, E.; Power, Mary|doi=10.1007/BF00001784}}</ref> Males are abdomino-lip brooders.<ref name="Covain"/> |
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==References== |
==References== |
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Revision as of 17:57, 8 June 2008
- For the plant genus, see Loricaria (plant)
| Loricaria | |
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| Loricaria duodecimalis, from The Naturalist on the River Amazons | |
| Scientific classification | |
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| Genus: | Loricaria Linnaeus, 1758
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| Type species | |
| Loricaria cataphracta Linnaeus, 1758
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| Species | |
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L. apeltogaster | |
| Synonyms | |
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Fusiloricaria | |
Loricaria is a genus of catfishes (order Siluriformes) of the family Loricariidae.
Taxonomy
Loricaria is the nominal genus of the family Loricariidae.[1] Phylogenetic relationships within Loricaria and among other members of Loricariini remain uncertain. Its external morphology shows few shared derived characters, making comparison with other genera difficult. Loricaria has been hypothesized to occupy a basal position among members of the subtribe Loricariina, with the other genera possessing derived characters. Based on the characteristics of its mouth, Loricaria appears to maintain a close relationship with representatives of the Pseudohemiodon group.[1] Proloricaria is considered a synonym of Loricaria.[1]
Distribution and habitat
This genus is distributed east of the Andes on nearly the entire subcontinent. Species occur in a variety of habitats from the main flow of rivers on sandy and rocky bottoms to flooded areas and lakes over muddy and sandy bottoms.[1]
Description
Sexual dimorphism includes hypertrophied development of the pectoral fin spines, blunt odontodes on the pelvic and anal fin spines, and tooth crowns becoming shortened and rounded in mature males.[1]
For the four species characterized, karyotypic diversity ranges from 2n = 62 to 2n = 68.[1]
Ecology
The site of egg deposition varies; L. curvispina places its eggs over flat rocks in rapids.[2] In some species, eggs are carried on the enlarged lower lip of the male. L. piracicabae has its egg adherent to its ventral surface.[2] Males are abdomino-lip brooders.[1]
References
- ^ a b c d e f g Covain, Raphael (2007). "The genera of the Neotropical armored catfish subfamily Loricariinae (Siluriformes: Loricariidae): a practical key and synopsis" (PDF). Zootaxa. 1462: 1–40.
{{cite journal}}: Unknown parameter|coauthors=ignored (|author=suggested) (help) - ^ a b Eric, G. (1982). "The reproductive biology of an armoured catfish, Loricaria uracantha, from Central America". Env. Biol. Fish. 7 (2): 143–148. doi:10.1007/BF00001784.
{{cite journal}}: Unknown parameter|coauthors=ignored (|author=suggested) (help)
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