Klassifizierung / Names
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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Phoxacromion: Name derived from the Greek 'phoxos' for pointed and 'akromion' meaning point of the shoulderblade, referring to the characteristic modification of cleithrum in the type species.; kaneharai: Named for H. Kanehara, who provided valuable information and underwater photographs of the species taken from its type locality..
Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser benthopelagisch; tiefenbereich 2 - 20 m (Ref. 84000). Subtropical
Northwest Pacific: Ryukyu Is., Japan.
Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm
Max length : 2.2 cm SL Männchen/unbestimmt; (Ref. 84000); 2.0 cm SL (female)
Kurzbeschreibung
Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt): 7; Rückenflossenweichstrahlen (insgesamt): 9; Afterflossenstacheln 1; Afterflossenweichstrahlen: 8; Wirbelzahl: 26. This species is distinguished in having the following characters: an expanded lateral wing of the cleithrum with a distinct, anterolaterally-directed triangular mid-lateral margin; D VI-I,9; A I,8; head depressed, depth 75.7-86.7% of width; lower jaw robust and prominent; mental frenum undeveloped; gill opening narrow, extending dorsally to a horizontal line through base of third, fourth or fifth pectoral-fin ray; tongue relatively narrow, anterior tip rounded or near pointed; sensory papillae rows on cheek representing essentially a longitudinal pattern, with short row b not extending anteriorly to a vertical through middle of eye; row c uniserial and long; row cp transverse, comprising 2-3 papillae; sensory papillae 2-4 (usually 3 or 4) forming a transverse row just behind chin (= row f); sensory canals on head well developed, with pores B', C (unpaired), D (unpaired), E, F, G, H', K', L', M', N and O'; vertebrae 10+16+26; P-V 3/II II I I 0/9 (Ref. 84000).
Found solitary under rubbles on sandy and pebble bottoms in protected bays at depths of 2-3 m (Ref. 84000).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
Shibukawa, K., T. Suzuki and H. Senou, 2010. Phoxacromion kaneharai, a new genus and species of gobiid fish (Teleostei: Perciformes: Gobiidae) from the Ryukyu Islands, Japan. Bull. Natl. Mus. Nat. Sci., Ser. A, (Suppl. 4):107-117. (Ref. 84000)
IUCN Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Mehr Information
NamenSynonymeMetabolismusRäuberÖkotoxikologieFortpflanzungGeschlechtsreifeAblaichenSpawning aggregationFecundityEierEientwicklung
Alter/GrößeWachstumLänge-GewichtLänge-LängeLängenhäufigkeitenMorphometrieMorphologieLarvenLarven Pop.Dyn.RekrutierungDichteBRUVS
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Estimates based on models
Preferred temperature (Ref.
123201): 20.5 - 26.2, mean 23.5 °C (based on 113 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00333 - 0.01504), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
