Cat-eLog Right Arrow Callichthyidae Right Arrow Callichthyinae Right Arrow Lepthoplosternum

Down arrow Cat-eLog Data Sheet
Scientific Name Lepthoplosternum beni  Reis, 1997
Common Name
Type Locality Tambopata Reserve, 12°15'S, 69°17'W, Madre de Dios, Peru.
Pronunciation lep THOP low STERN um
Etymology Lepthoplosternum: From the Greek leptos, meaning small and hoplosternum; in reference to the small size. Hoplosternum: From the Greek hoplon, meaning shield and sternum, meaning breast; in reference to the prominent coracoid bones on the breast. 
Down arrow Species Information
Size 50mm or 2" SL. Find near, nearer or same sized spp.
Identification Lepthoplosternum species are the smallest of the Callichthyinae (maximum SL = 60.3 mm). They are distinguished by two unique traits: (1) a lower lip with a deep medial notch and a smaller lateral notch, forming two fleshy semi-triangular projections on each side of the midline, and a single unbranched ray preceding the branched rays on the anal fin.
Sexing Mature males of Callichthys, Dianema, Hoplosternum, Lepthoplosternum, and Megalechis have a thick adipose body on the ventral surface of the pectoral fin. In Dianema, Hoplosternum, Lepthoplosternum and Megalechis (but not in Callichthys), the coracoid bones are at least partially exposed and expanded medially. In Dianema, Hoplosternum and Megalechis, these medial expansions of the coracoids are especially developed, covering most of the skin between the pectoral fins and sometimes overlapping at the midline in fully developed mature males, however there does not appear to be a similar sexually dimorphic expansion of the coracoids in Lepthoplosternum.
Down arrow Habitat Information
Distribution South America: Madeira River basin in the Beni region of Bolivia and Peru.

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IUCN Red List Category Least Concern, range map and more is available on the IUCN species page. Last assessed 2014.
Down arrow Husbandry Information
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Ichthyological Exploration of Freshwaters v. 7 (no. 4), pp 319, Fig. 15.
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Last Update 2020 Oct 26 15:22 (species record created: 2018 Aug 22 13:37)