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> Acanthuriformes (Surgeonfishes) > Chaetodontidae (Butterflyfishes)
Etymology: rumsfeldi: Named for Donald Rumsfeld.
Eponymy: Donald Henry Rumsfeld (1932-2021) was an American politician who immortalized the quote (2002): “…there are known knowns; there are things we know we know. [...] (Ref. 128868), visit book page.

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

marien rifbewoner; diepte 100 - 130 m (Ref. 116443). Tropical

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Western Pacific: Philippines.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 7.8 cm SL mannelijk / geslacht onbekend; (Ref. 116443)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 11; Dorsale zachte stralen (totaal) : 20; Anale stekels: 3; Anale zachte stralen: 17. This species is distinguished from its congeners by the following characters: less number of pored scales in the lateral line (27 vs. 37-46); longer snout (35.9% in HL vs. 28.2-35.5%); shorter first dorsal ray (12% in SL vs. 16.6-26.6%); longer caudal peduncle (8.5% in SL vs. 4.2-8.2%); shorter caudal fin (15.9% in SL vs. 19.8-25.9%); with a dark brown pelvic-fin spine (vs. white) (Ref. 116443).

Areas of collection vary from sheltered rocky outcroppings which are heavily covered by fine sediment to areas exposed to strong currents. Ambient seawater temperature varied between 19 and 21°C during dives conducted in April-May over several years. Azooxanthellate gorgonians, black corals, and solitary stony corals were the most abundant benthic invertebrates in this area (Ref. 116443).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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Rocha, L.A., H.T. Pinheiro, M. Wandell, C.R. Rocha and B. Shepherd, 2017. Roa rumsfeldi, a new butterflyfish (Teleostei, Chaetodontidae) from mesophotic coral ecosystems of the Philippines. ZooKeys 709:127-134. (Ref. 116443)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)

Niet geëvalueerd

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.02239 (0.01097 - 0.04568), b=3.01 (2.84 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.5 ±0.4 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Roa rumsfeldi Rocha, Pinheiro, Wandell, Rocha & Shepherd, 2017