Summary of Otocinclus
Pronounced	auto SINK luss
Etymology	Greek, ous, oto = ear + Latin, cinclus = latticework; in allusion to the holes of the head in the ears.
Sexing	Females are larger and broader especially when viewed from above.
Size	Smallest 24mm, largest 54mm, average 34mm, most commonly 32mm. All SL.
Species	There are 22 "species" in the database
Keepers	16 species (72%) are being kept by registered keepers
New spp. / time	1750  1770  1790  1810  1830  1850  1870  1890  1910  1930  1950  1970  1990  2010
Most Kept Species
1.	Otocinclus vittatus (39.83%)
2.	Otocinclus macrospilus (10.09%)
3.	Otocinclus cocama (8.72%)
4.	Otocinclus affinis (8.38%)
5.	Otocinclus vestitus (7.35%)
6.	Otocinclus huaorani (7.18%)
7.	Otocinclus mariae (6.5%)
8.	Otocinclus hoppei (4.96%)
9.	Otocinclus sp. (1) (3.59%)
10.	Otocinclus flexilis (1.03%)
11.	Otocinclus mimulus (0.68%)

Jump to distribution.

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  O. affinis (i:2, k:49)
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  O. arnoldi (i:3, k:1)
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  O. batmani (i:4, k:1)
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  O. bororo (i:1, k:0)
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  O. caxarari (i:2, k:3)
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  O. cocama (i:28, k:51)
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  O. flexilis (i:15, k:6)
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  O. hasemani (i:0, k:0)
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  O. hoppei (i:8, k:29)
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  O. huaorani (i:7, k:42)
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  O. juruenae (i:0, k:0)
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  O. macrospilus (i:10, k:59)
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  O. mangaba (i:3, k:0)
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  O. mariae (i:6, k:38)
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  O. mimulus (i:3, k:4)
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  O. mura (i:7, k:4)
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  O. sp. (1) (i:3, k:21)
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  O. sp. (2) (i:2, k:1)
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  O. tapirape (i:0, k:0)
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  O. vestitus (i:4, k:43)
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  O. vittatus (i:28, k:233)
• 
  O. xakriaba (i:1, k:0)

Distribution of selected Otocinclus species
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