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Competition and predation by Wels catfish caused its complete disappearance in the middle channel Ebro around 1990. Barbel species from mountain stream tributaries of the Ebro that Wels catfish have not colonized were not affected. The ecology of the river also now has the problem of a major increase in aquatic vegetation, seaweed and algae.
The efficiency of catching prey catfish is maximised by face to face attack, avoiding damage by dorsal and pectoral spines of the prey. [3] There is some indication that the species comes to shallower water to breed. Spawning season extends from April to July. The parents build and guard the nest, which is like a flat disc with a central hole ...
Wels Catfish - Europäischer Wels / Mal / Silure glane / Siluro (Silurus glanis) 113.5 kg: 250 lb 3 oz: Roberto Godi: 5 Feb 2010: River Po, Mantua, Lombardy Italy [54] 112 kg: 246 lb 14 oz: Christophe Dubreuil France: September 2009: River Ebro, Mequinenza, Province of Zaragoza Spain [55] 110 kg: 242 lb 5 oz: Jakub Vagner Germany: 5 February ...
Map of the Ebro valley Source of the Ebro in Fontibre The middle Ebro in Zaragoza Final section, in Miravet Floods of 2003, in Novillas (). In 1913, the First National Irrigation Congress was held in Zaragoza, exposing the idea of setting up a community group of an economic and supra-regional nature through the federation of the agricultural, commercial and industrial associations of the whole ...
The Ebro River delta at the Mediterranean Sea from space. The Ebro Delta (Catalan: Delta de l'Ebre, IPA: [ˈdɛltə ðə ˈleβɾə]; Spanish: Delta del Ebro, IPA: [ˈdelta ðel ˈeβɾo]) is the delta region of the Ebro River (Catalan: Ebre, Spanish: Ebro) in the southwest of the Province of Tarragona in the region of Catalonia in Spain.
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The Battle of the Iron Bridge was fought between the International Brigades and the Fascists [5] as part of the Battle of the Ebro. The operation was initially a success for the republicans with the construction of the iron bridge nearly complete by the 3rd Division. [6] However at the end they had lost 3,000 soldiers and the battle.
A catfish may ask you for sensitive images and money. Many scammers use already available photos of other people in their fake personas, which may be possible to spot using a reverse image search.