Overview

Comprehensive Description

Biology

Inhabits lower elevations of coastal blackwater streams that drain the surrounding forests.
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Distribution

Atlantic versant rivers, Brazil.
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South America: Atlantic versant rivers from northern Santa Catarina to southern Paraná, Brazil.
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Physical Description

Morphology

Dorsal soft rays (total): 10 - 11; Analsoft rays: 14 - 17; Vertebrae: 32 - 33
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Size

Max. size

2.8 cm SL (male/unsexed; (Ref. 37055))
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Diagnostic Description

Low vertebral count (32-33) versus 32-34 for S. broccae and S. leptoura; larger preanal distance in males (61.3-63.9% SL versus 55.9-61.5 for S. broccae and 57.3-61.9 for S. leptoura.
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Type Information

Paratype for Spintherobolus ankoseion Weitzman & Malabarba
Catalog Number: USNM 297935
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Glycerine With Cartilage Stain
Collector(s): R. Castro
Year Collected: 1988
Locality: Brazil: Parana, Rio Da Praia, Near Guaratuba., Brazil, South America
  • Paratype: Weitzman, S. H. & Malabarba, L. R. 1999. Ichthyological Exploration of Freshwaters. 10 (1): 26, 29-31.
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Paratype for Spintherobolus ankoseion Weitzman & Malabarba
Catalog Number: USNM 297936
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): R. Castro
Year Collected: 1988
Locality: Brazil: Parana; Innominate Blackwater Stream Crossing Road "Elisio Pereira Alves Filho" About 15 km From Road Br277, SW of Paranagua., Brazil, South America
  • Paratype: Weitzman, S. H. & Malabarba, L. R. 1999. Ichthyological Exploration of Freshwaters. 10 (1): 26, 29-31.
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Ecology

Habitat

Environment

benthopelagic; freshwater
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Conservation

Threats

Not Evaluated
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