Overview

Comprehensive Description

Biology

Rare and not well known (Ref. 12225).
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Distribution

South America: coastal basins of French Guiana and Suriname and from lower rios Tapajós, Tocantins and Xigu basins, Pará, Brazil.
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Coastal drainages of French Guiana and Suriname.
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Physical Description

Morphology

Dorsal soft rays (total): 8; Analsoft rays: 26 - 27; Vertebrae: 38 - 39
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Size

Maximum size: 100 mm SL
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Max. size

8.0 cm SL (male/unsexed; (Ref. 85819)); 9.15 cm SL (female)
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Diagnostic Description

This species is distinguished from its congeners, except H. divisorensis, by the presence of a wide black asymmetrical spot covering base of caudal-fin rays and extending along entire length of caudal-fin rays 9 to 12-13. It differs from H. divisorensis by the absence of a black band in the lower half of the caudal peduncle from the region above the last anal-fin rays to the caudal-fin base, and by the smaller number of scales along anal-fin base scale sheath (15-16 vs. 17-22) (Ref. 85819).
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Ecology

Habitat

Environment

benthopelagic; freshwater
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Conservation

Threats

Not Evaluated
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Disclaimer

EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

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