Klassifizierung / Names
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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: emilyae: Named for Canadian diver Emily Irving, who accompanied and assisted the authors on numerous ichthyological expeditions and a dedicated supporter of marine conservation and exploration efforts worldwide...
Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser demersal; tiefenbereich 17 - 23 m (Ref. 121269). Tropical; 23°C - 25°C (Ref. 121269)
Western Pacific: Indonesia, North Sulawesi Province.
Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm
Max length : 3.2 cm SL Männchen/unbestimmt; (Ref. 121269); 4.4 cm SL (female)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 7; Rückenflossenweichstrahlen (insgesamt) : 10; Afterflossenstacheln: 1; Afterflossenweichstrahlen: 10; Wirbelzahl: 26. This species is distinguished by the following characters: first dorsal fin enlarged and sail-like, no filamentous rays; dorsal fin bases are confluent; segmented dorsal-fin and anal-fin rays 10; pectoral-fin rays 15-17; caudal fin ovate, longer than head length, 2.5-3.0 in SL; gill opening extending forward to the level of middle of opercle; anterior nostril is sheathed in elongate, partially enclosed tube; scales are entirely cycloid, lateral scales 66-72, transverse scales 19-21; cephalic sensory-canal system including pores B’, C, D, E, F, G, M’, and O’. Body colour overall is brown with 10 or 11 poorly contrasted, darker-brown bars on lateral body; a dense patch of small white spots on dorsal surface of head; first dorsal fin orange or blue-grey with a mosaic of irregular, dark brown markings, while second dorsal fin is yellowish to brown with blue bands or rows of dark brown spots; anal, caudal, and pelvic fins dark brown with blue streaks (Ref. 121269).
The collection area is exposed to periodic strong currents and cool upwelled water with sea temperatures of 23-25°C at the time of collection in August 2019 . The specimens were observed on gradually sloping, sand-rubble bottoms, in pairs or solitary, in shared burrows with the brightly colored alpheid shrimp Alpheus randalli (Ref. 121269).
Life cycle and mating behavior
Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven
Allen, G.R., M.V. Erdmann and I.V. Utama, 2019. Tomiyamichthys emilyae, a new species of shrimpgoby (Gobiidae) from North Sulawesi, Indonesia. J. Ocean Sci. Found. 33:53-64. (Ref. 121269)
IUCN Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [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): 3.2 ±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).
