Classification / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Hollandichthys: From the Netherlands or a person with Holland name/surname; taramandahy: The specific name is in reference to the drainage of the type locality. In Tupi Guarani language,
Taramandahy (=Tramandaí) means winding river, or where is about to harvest (related to fish harvesting). A noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθοπελαγικό. Tropical
South America: Rio Maquiné and rio Três Forquilhas, rio Tramandaí system in Rio Grande do Sul and rio Mampituba and Araranguá drainages in Santa Catarina, Brazil.
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.8 cm SL αρσενικό/απροσδιόριστο; (Ref. 94715)
Short description
Μορφολογία | Μορφομετρία
Μαλακές ραχιαίες ακτίνες (συνολικά): 11; Σπόνδυλοι: 36 - 39. This species is distinguished from its congener Hollandichthys multifasciatus by having the following characters: a small, vertically expanded black spot present at base of median caudal-fin rays, clearly visible after fixation in formalin or alcohol (vs. black spot present on caudal fin; distinctive marks on adipose fin absent (vs. anterior portion of adipose fin black); humeral spot absent on specimens larger than 60.0 mm SL (vs. humeral spot always present; two black humeral spots present on small specimens of both species). Additional characters useful to diagnose H. taramandahy from H. multifasciatus include having 8-11 dorsal procurrent caudal-fin rays (vs. 10-15), 7-8 ventral procurrent caudal-fin rays (9-12), and shorter length of the penultimate branched anal-fin ray in adult males 9.0-12.3 in SL (vs. 11.1-20.8 in SL) (Ref. 94715).
Found in lateral puddles of rivers and very small tributaries with shallow and lentic black
waters, with mud and leaf on the bottom, and very dense riparian vegetation. Larger individuals measuring 7.0-8.0 cm SL were observed isolated and small specimens measuring 3.0-4.0 cm SL were encountered in groups of 3 to 6 fishes. Feeds on spiders, ants, beetles, and insect parts. Other fish collected along with this species include Astyanax laticeps, Astyanax sp., Cyanocharax itaime, Cyphocharax voga, Gymnotus sp., Hyphessobrycon luetkenii, Mimagoniates rheocharis, Phalloceros spiloura, and Steindachnerina biornata (Ref. 94715).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Bertaco, V.A. and L.R. Malabarba, 2013. A new species of the characid genus Hollandichthys Eigenmann from coastal rivers of southern Brazil (Teleostei: Characiformes) with a discussion on the diagnosis of the genus. Neotrop. Ichthyol. 11(4):767-778. (Ref. 94715)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Περισσότερες πληροφορίες
Κοινά ονόματαΣυνώνυμαΜεταβολισμόςΘηρευτέςΟικοτοξικολογίαΑναπαραγωγήΓεννητική ΩρίμανσηΓεννοβολίαΣυναθροίσεις γεννοβολίαςΓονιμότηταΑβγάEgg development
Age/SizeΑύξησηLength-weightLength-lengthLength-frequenciesΜορφομετρίαΜορφολογίαΠρονύμφεςΔυναμική προνυμφώνΣτρατολόγησηΑφθονίαBRUVS
ΑναφορέςΥδατοκαλλιέργειεςΠροφίλ υδατοκαλλιέργειαςΣτελέχοιΓενετικήElectrophoresesΚληρονομικότηταΑσθένειεςΜεταποίησηNutrientsMass conversion
ΣυνεργάτεςΦωτογραφίεςStamps, Coins Misc.ΉχοιΣιγκουατέραΤαχύτηταΚολυμβητικός ΤύποςΕπιφάνεια βραγχίωνOtolithsΕγκέφαλοιΌραση
Εργαλεία
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