Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βενθικό(ς); μη μεταναστευτικό(ά); εύρος βάθους 15 - 40 m (Ref. 36803). Subtropical
Western Pacific: Japan and Indonesia.
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 3.8 cm SL αρσενικό/απροσδιόριστο; (Ref. 36803); 4.2 cm SL (female)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 6 - 7; Μαλακές ραχιαίες ακτίνες (συνολικά) : 10; Εδρικές άκανθες: 1; Μαλακές εδρικές ακτίνες: 10. Characterized by pale grey color on back, ventrally white; upper side from nape to caudal peduncle with 4-5 irregular brown blotches/saddles; head and body with scattered dark-edged orange spots; oblique black band under eye; orange spots on first and second dorsal fins; 2-3 dark spots near margin of first dorsal fin; triangular first dorsal fin, first two dorsal spines prolonged; united pelvic fins, well developed frenum present; longitudinal scale series 25-50; head without scales; cycloid scales covering body; greatest depth of body 5.0-5.6 in SL; rounded caudal fin, shorter than head length; absence of posterior oculoscapular sensory canal (Ref. 90102).
The species occurs on fine sandy bottoms and is associated with the shrimp Alpheus randalli.
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Iwata, A., N. Ohnishi and T. Hirata, 2000. Tomiyamichthys alleni: a new species of Gobiidae from Japan and Indonesia. Copeia 2000(3):771-776. (Ref. 36803)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
αλιεία: χωρίς ενδιαφέρον
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 18.6 - 28.9, mean 27.1 °C (based on 72 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [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).
Τροφικό Επίπεδο (Ref.
69278): 3.2 ±0.3 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
![Image of Tomiyamichthys alleni (Allen\](/images/thumbnails/jpg/tn_Toall_u0.jpg "Image of Tomiyamichthys alleni (Allen\")
