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Curculionichthys sabaji  Roxo, Silva, Ochoa & Oliveira, 2015

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Curculionichthys sabaji
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drawing shows typical fish in this Family.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Loricariidae (Armored catfishes) > Otothyrinae
Etymology: Curculionichthys: Derived from the from the Latin 'curculionem' (elongated snout) and from the Greek 'ichthys' (fishes), in reference to the relatively elongated snouts of the fish species included in this genus.;  sabaji: Named for Dr. Mark Henry Sabaj Pérez, Collection Manager of Ichthyology, Academy of Natural Sciences of Philadelphia, in recognition of his dedication and contributions to study of Neotropical fishes especially from Rio Xingu basin (iXingu Project).

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; demersal.   Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: Rio Xingu basin in Brazil.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 2.4 cm SL male/unsexed; (Ref. 113800)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 9; Anal soft rays: 5; Vertebrae: 28. Curculionichthys sabaji is distinguished from all congeners by possessing several dark-brown spots distributed on the body (vs. a variety of pigment patterns, but none of which includes dark-brown spots). It also differs from all con¬geners, except C. coxipone and C. paresi by having the cleithrum with an area free of odontodes (vs. cleithrum completely covered with odontodes). Other characters useful to further diagnosed this species from other congengers include the following: some papillae of the lower lip arranged in a medial longitudinal series extending posterior to dentaries through the middle portion of the lower lip (vs. lower lip with all papillae randomly distributed in from C. piracanjuba, C. sagarana, and C. oliveirai); anterior profile of the head pointed (vs. rounded in C. coxipone and C. oliveirai); odontodes forming longitudinally aligned rows on head and trunk (vs. odontodes not forming longitudinally aligned rows on head and trunk in C. piracanjuba); small, inconspicuous odontodes forming rows on the head and trunk (vs. large, conspicuous odontodes forming rows on the head and the trunk in C. insperatus); caudal fin hyaline, with one dark strip extending from caudal peduncle base to the median caudal fin rays, and dark chromatophores irregular distributed almost forming two bands (vs. caudal fin hyaline, with dark blotch limited to caudal peduncle base in C. insperatus and C. sagarana); absence of one unpaired platelet on the dorsal portion of caudal peduncle (vs. one unpaired platelet on the dorsal portion of the caudal peduncle in C. sagarana); 6?9 lateral abdomen plates (vs. 4?5 lateral abdomen plates in C. oliveirai); absence of contrasting dark geometric spots on the anterodorsal region of body (vs. pres¬ence of geometric spots in C. paresi); not having hypertrophied odontodes on the snout tip (vs. hypertrophied odontodes on the snout tip in C. piracanjuba). In addition, Curculionichthys sabaji can be distinguished by having a shorter dorsal fin spine (18.5?22.7% of SL, vs. 25.2?27.0% of SL in C. paresi; 23.2?26.9% of SL in C. insperatus); a shorter pectoral-fin spine (18.9?23.4% of SL, vs. 27.0?30.1% of SL in C. paresi); a deeper caudal peduncle (7.0?10.0% of SL, vs. 10.8?12.5% of SL in C. oliveirai; 10.2?11.3% of SL in C. paresi); a deeper head (40.9?49.1% of HL, vs. 51.6?59.2% of HL in C. oliveirai); a longer head (34.3?38.6% of SL, vs. 27.9?32.2% of SL in C. piracanjuba; 28.8?33.3% of SL in C. luteofrenatus); a shorter snout (45.5?56.9% of HL, vs. 67.7?72.7% of HL in C. piracanjuba; 67.0?75.3% of HL in C. luteofrenatus) and a shorter interorbital width (30.3?35.7% of HL, vs. 36.7?40.9% of HL in C. piracanjuba; 67.0?75.3% of HL in C. luteofrenatus) (Ref. 113800).

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Fisch-Muller, Sonia | Collaborators

Roxo, F.F., G.S.C. Silva, L.E. Ochoa and C. Oliveira, 2015. Description of a new genus and three new species of Otothyrinae (Siluriformes, Loricariidae). Zookeys 534:103-134. (Ref. 113800)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FishSource |

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5020   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .