Economidichthys trichonis Economidis & Miller, 1990
Trichonis dwarf goby
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drawing shows typical species in Gobiidae.
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drawing shows typical species in Gobiidae.
Klassificering / Namn Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa
> Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobionellinae
Etymology: Economidichthys: Greek, oikonomos = manager of a household, steward (Ref. 45335).
Eponymy: Professor Dr Panos Stavros Economidis was formerly Director of the Ichthyology and Zoology Laboratories in the School of Biology, Aristotle University of Thessaloniki and was the main contributor to its fish collection. [...] (Ref. 128868), visit book page.
Etymology: Economidichthys: Greek, oikonomos = manager of a household, steward (Ref. 45335).
Eponymy: Professor Dr Panos Stavros Economidis was formerly Director of the Ichthyology and Zoology Laboratories in the School of Biology, Aristotle University of Thessaloniki and was the main contributor to its fish collection. [...] (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde Ekologi
; sötvatten bottenlevande; djupintervall ? - 15 m (Ref. 59043). Temperate; 39°N - 38°N
Utbredning Territorier | FAO områden | Ekosystem | Förekomster | Prickkarta | Utplanteringar | Faunafri
Europe: endemic to the oligotrophic Lake Trichonis, western Greece.
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm 1.8 range ? - ? cm
Max length : 3.0 cm TL hane/ej könsbestämd; (Ref. 12215); 2.7 cm TL (female); rapporterad maxålder: 1.75 år (Ref. 59043)
Max length : 3.0 cm TL hane/ej könsbestämd; (Ref. 12215); 2.7 cm TL (female); rapporterad maxålder: 1.75 år (Ref. 59043)
Kort beskrivning Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 9 - 11; Ryggkotor: 30 - 31. Body pale, with long vertical stripes in both sexes, some over 2/3 body depth; perianal organ small, less than half length of pelvic disc; pelvic anterior membrane depth about half pelvic spine length in ventral midline; body with well spaced scales in single series along lateral midline, and otherwise naked except on caudal peduncle and side of anterior abdomen; typical D2 I/10-11; interorbit with two transverse rows of sensory papillae.
Body shape (shape guide): elongated.
Body shape (shape guide): elongated.
With a mature female at 18 mm SL, this is the smallest European freshwater fish; 2.1 mm at hatching its larvae are the smallest free-living European vertebrates. Found in areas covered by aquatic vegetation, in reed stands; in sheltered bays down to 15 m (Ref. 59043); at the mouth of tributary streams and has been observed in small shoals near the surface, over open areas of gravel or stones (Ref. 26100). Feeds on invertebrates, mainly on cladocerans and larvae of mussel Dreissena polymorpha during the spawning season. Spawns after first winter, from February to May, with eggs (0.7 x 0.6 mm) deposited in a cavity (usually inside standing, broken reeds); these are cleaned and guarded by the male. A single nest may occupy up to 2000 eggs spawned by several females; with females spawning at least twice during the season. Eggs hatch in about a day, the larvae living on the surface layer, near shore, and after yolk absorption, live in deeper layers or near bottom, moving upward at night. Maximum known age is 21 months. Land reclamation, lake level fluctuations resulting to water abstraction and pollution threaten survival of this species (Ref. 59043).
Livscykel och parningsbeteende Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Eggs are spawned in a cavity; they are cleaned and guarded by the male (Ref. 59043). A single nest is usually occupied by up to 2000 eggs spawned by several females. Females spawn at least twice during a season (Ref. 59043).
Huvudreferens
Ladda upp dina referenser | referenser | Koordinator | Medarbetare
Miller, P.J., 1990. The endurance of endemism: the Mediterranean freshwater gobies and their prospects for survival. J. Fish Biol. 37(Suppl.A):145-156. (Ref. 12215)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Endangered (EN) (B1ab(iii)+2ab(iii)); Date assessed: 01 November 2023
CITES
Not Evaluated
Hot mot människor
Harmless
Mänskliga användningsområden
FAO - Publication: search | FishSource |
Ytterligare information
Populationsdynamik
Tillväxtparametrar
Max. åldrar / storlekar
Längd-vikt rel.
Längd-längd rel.
Längd-frekvenser
Massakonvertering
Rekrytering
Abundans
Tillväxtparametrar
Max. åldrar / storlekar
Längd-vikt rel.
Längd-längd rel.
Längd-frekvenser
Massakonvertering
Rekrytering
Abundans
Livscykel
Reproduktion
Könsmognad
Mognad/Gills rel.
Fekunditet
Lek
Lekande aggregat
Ägg
Utveckling av ägg
Larver
Larvdynamik
Reproduktion
Könsmognad
Mognad/Gills rel.
Fekunditet
Lek
Lekande aggregat
Ägg
Utveckling av ägg
Larver
Larvdynamik
Anatomi
Gälyta
Hjärna
Otolit
Gälyta
Hjärna
Otolit
Fysiologi
Kroppssammansättning
Näringsämnen
Syreförbrukning
Typ av simning
Simhastighet
Visuella pigment
Ljud från fisk
Sjukdomar & Parasiter
Toxicitet (LC50)
Kroppssammansättning
Näringsämnen
Syreförbrukning
Typ av simning
Simhastighet
Visuella pigment
Ljud från fisk
Sjukdomar & Parasiter
Toxicitet (LC50)
Genetik
Genom
Genetik
Heterozygositet
Ärftlighet
Genetisk mångfald
Genom
Genetik
Heterozygositet
Ärftlighet
Genetisk mångfald
Människorelaterad
Vattenbrukssystem
Vattenbruksprofiler
Avelslinjer
Ciguatera-fall
Frimärken, mynt, diverse.
Vattenbrukssystem
Vattenbruksprofiler
Avelslinjer
Ciguatera-fall
Frimärken, mynt, diverse.
Verktyg
Särskilda rapporter
Kontrollera för underhåll av akvarium | Kontrollera om det finns faktablad om arter | Kontrollera om det finns faktablad om vattenbruk
Ladda ner XML
Internet-källor
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Släkte, Arter | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, sök | World Records Freshwater Fishing | Zoobank | Zoologiskt register
Uppskattningar baserade på modeller
|
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00708 (0.00335 - 0.01497), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
|
Trofisk nivå (Ref. 69278) |
3.5 ±0.37 se; based on food items. |
| Generation time | 0.7 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
|
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
|
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |