Severi’s Tube Snouted Ghost Knifefish

Sternarchorhynchus severii de Santana & Nogueira 2006

Sternarchorhynchus severii (Severi’s Tube Snouted Ghost Knifefish) is a species of ray-finned fishes in the family ghost knifefishes. They are associated with freshwater habitat. Individuals can grow to 16.9 cm. They have sexual reproduction. They rely on anal fin swimming to move around.

URI: http://purl.obolibrary.org/obo/ENVO_00000873
Definition: A biome that applies to the freshwater realm.

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URI: http://purl.obolibrary.org/obo/GO_0019953
Definition: Capable of creating a new organism by combining the genetic material of two gametes, which may come from two parent organisms or from a single organism, in the case of self-fertilizing hermaphrodites.

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URI: https://eol.org/schema/terms/anal_fin
Definition: swimming mainly using undulations of the anal fin

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EOL has data for 15 attributes, including:

Body symmetry
- URI: http://eol.org/schema/terms/body_symmetry
- Definition: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry
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bilaterally symmetric
- URI: http://purl.obolibrary.org/obo/PATO_0001324
- Definition: being symmetric about a plane running from frontal end to caudal end (head to tail), and having nearly identical right and left halves
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auditory system
- URI: http://purl.obolibrary.org/obo/UBERON_0016490
- Definition: the sensory system for the sense of hearing
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swim bladder
- URI: http://purl.obolibrary.org/obo/UBERON_0006860
- Definition: a thin membranous, sometimes alveolated sac in the dorsal portion of the abdominal cavity. Contains a varying mixture of gases, not identical to the composition of air.
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cellularity
- URI: http://purl.obolibrary.org/obo/PATO_0001992
- Definition: An organismal quality inhering in a bearer by virtue of the bearers consisting cells. [ PATOC:GVG ]
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multicellular
- URI: http://purl.obolibrary.org/obo/PATO_0001993
- Definition: A cellularity quality inhering in a bearer by virtue of the bearers consisting of more than one cell. [ PATOC:GVG ]
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geographic distribution includes
- URI: http://eol.org/schema/terms/Present
- Definition: This organism is known to be present in this location or region. Not exclusive; other regions may also be reported.
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Brazil
- URI: http://www.geonames.org/3469034
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habitat
- URI: http://purl.obolibrary.org/obo/RO_0002303
- Definition: x has habitat y if: x is an organism, y is a habitat, and y can sustain and allow the growth of a population of x
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freshwater
- URI: http://purl.obolibrary.org/obo/ENVO_00000873
- Definition: A biome that applies to the freshwater realm.
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locomotion
- URI: http://purl.obolibrary.org/obo/GO_0040011
- Definition: Self-propelled movement of a cell or organism from one location to another.
- Attribution: [database_cross_reference: GOC:dgh]
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anal fin swimming
- URI: https://eol.org/schema/terms/anal_fin
- Definition: swimming mainly using undulations of the anal fin
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mineralized tissue contains
- URI: http://purl.obolibrary.org/obo/UBERON_4000013
- Definition: Component found in mineralized tissue, (a specialized form of biogenic tissue in which the extracellular matrix is mineralized)
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hydroxylapatite
- URI: http://purl.obolibrary.org/obo/CHEBI_52255
- Definition: A phosphate mineral with the formula Ca5(PO4)3(OH).
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reproduction
- URI: http://purl.obolibrary.org/obo/GO_0000003
- Definition: The production of new individuals that contain some portion of genetic material inherited from one or more parent organisms
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sexual reproduction
- URI: http://purl.obolibrary.org/obo/GO_0019953
- Definition: Capable of creating a new organism by combining the genetic material of two gametes, which may come from two parent organisms or from a single organism, in the case of self-fertilizing hermaphrodites.
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sensory system
- URI: http://purl.obolibrary.org/obo/UBERON_0001032
- Definition: Anatomical system that overlaps the nervous system and is responsible for receiving and processing sensory information.
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electroreception
- URI: https://www.wikidata.org/entity/Q1326528
- Definition: detection and measurement of weak electric fields, via specialized sense organs and brain structures that process this information
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Total length
- URI: http://purl.org/obo/owlATOL_0001660
- Definition: length from the tip of the snout to the tip of the longer lobe of the caudal fin, usually measured with the lobes compressed along the midline. It is a straight-line measure, not measured over the curve of the body
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16.9 cm
type specimen repository
- URI: http://eol.org/schema/terms/TypeSpecimenRepository
- Definition: The institution that holds a type specimen for a given species. The recommended best practice is to use the identifier in a collections registry such as the Biodiversity Collections Index (http://www.biodiversitycollectionsindex.org/).
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Instituto Nacional de Pesquisas da Amazônia (INPA)
- URI: http://biocol.org/urn:lsid:biocol.org:col:15657
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visual system
- URI: http://purl.obolibrary.org/obo/UBERON_0002104
- Definition: The sensory system subserving the sense of vision.
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lens eyes
- URI: https://eol.org/schema/terms/lens_eyes
- Definition: Relative to pinhole eyes, lens eyes have greatly improved resolution and image brightness. The lens converges incoming rays of light, thereby reducing the angle over which each photoreceptor receives light, and forming an image focused on the retina. Most lens eyes have "accommodation"; they can focus an image either by physically moving the lens toward or away from the retina or by using eye muscles to adjust the shape of the lens.
- Attribution: https://www.britannica.com/science/photoreception/Single-chambered-eyes#ref278819
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Known occurrences, collected specimens and observations of Severi’s tube-snouted ghost knifefish. View this species on GBIF