Overview

Comprehensive Description

Biology

Inhabits dark-brown swamp waters. Appears to be found in somewhat acid waters in relatively lowland areas, in both swamps and slow moving streams, but only in areas where the streams remain unpolluted.
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Distribution

South America: Brazil in lowlands around and to the east and west of the Guanabara Bay, Rio de Janeiro and lowlands around Santos, São Paulo.
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Lowlands near Rio de Janeiro and Santos, Brazil.
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Physical Description

Morphology

Dorsal soft rays (total): 10 - 11; Analsoft rays: 16 - 20; Vertebrae: 32 - 34
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Size

Max. size

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

Lacks infraorbital bone3; the relatively high counts of anal-fin ray (13-16) and ventral procurrent caudal fin ray count (14-17) for S. broccae relative to all other species of Spintherobolus appears autapomorphic for this species.
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Type Information

Paratype for Spintherobolus broccae Myers
Catalog Number: USNM 92959
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): R. Brocca
Locality: Vicinity Rio De Janeiro, Brazil, Rio de Janeiro, Brazil, South America
  • Paratype: Myers, G. S. 1925. Annals of the Carnegie Museum. 16 (1): 143.
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Ecology

Habitat

Environment

benthopelagic; freshwater
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Conservation

Threats

Not Evaluated
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