NDLI: Feeding Ecology of Padogobius nigricans (Canestrini, 1867) and P. bonelli (Bonaparte, 1846) in Aggia River (Umbria, Italy) and Their Diet Overlap

Content Provider	Springer Nature Link
Author	Pompei, Laura Giannetto, Daniela Lorenzoni, Massimo
Copyright Year	2014
Abstract	The Arno goby Padogobius nigricans is an endemic species to Central Italy. The populations of this species are in sharp decline due to habitat modifications and potentially competition with Padanian goby Padogobius bonelli, an endemic species to Northern Italy, introduced in some watercourses of Central Italy. The purposes of this paper were to analyze dietary composition of the two species, determine the degree of overlap in their diets and investigate the feeding ecology of P. nigricans in terms of absence and presence of the alien species. Specimens were collected from the Aggia River, a tributary of Tiber River. Gut contents were analyzed and prey items were identified to the lowest recognizable taxa and counted. All the obtained results showed that P. nigricans and P. bonelli in the Aggia River share a similar diet. Both species fed extensively on Chironomids and no statistically significant ontogenetic changes in feeding habits were found. A high degree of diet overlap was observed. Diet of P. nigricans and P. bonelli also included fish and where the species live in syntopy, individuals belonging to Padogobius genus were found in stomach, suggesting that mutual predation may occur.
Starting Page	101
Ending Page	113
Page Count	13
File Format	PDF
ISSN	00188158
Journal	Hydrobiologia
Volume Number	740
Issue Number	1
e-ISSN	15735117
Language	English
Publisher	Springer International Publishing
Publisher Date	2014-06-20
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Padogobius nigricans Padogobius bonelli Diet composition Feeding strategy Predation Non-native species Freshwater & Marine Ecology Ecology Zoology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

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Feeding Ecology of Padogobius nigricans (Canestrini, 1867) and P. bonelli (Bonaparte, 1846) in Aggia River (Umbria, Italy) and Their Diet Overlap

Feeding Ecology of Padogobius nigricans (Canestrini, 1867) and P. bonelli (Bonaparte, 1846) in Aggia River (Umbria, Italy) and Their Diet Overlap

Age and growth of Arno goby, Padogobius nigricans (Canestrini, 1867), in the Aggia River (Umbria, Central Italy)

First information on age and growth of Padogobius bonelli (Bonaparte, 1846) outside of its native range: River Aggia (Central Italy)

Feeding habits of Padogobius bonelli (Bonaparte, 1846) (Osteichthyes, Gobiidae): The importance of fish dimensions and hydrological conditions

Reproductive parameters in native and non-native areas of Padogobius bonelli and comparison with P. nigricans (Actynopterigii, Gobiidae)

The non-native goby Padogobius bonelli in the River Tiber, Italy and its effect on the reproductive potential of the native goby, P. nigricans.

Feeding Habits of Padogobius bonelli (Osteichthyes: Gobiidae) in the Curone Creek (Northwest Italy): Territoriality Influences Diet?

Diet composition, feeding niche partitioning and trophic organisation of large pelagic predatory fishes in the eastern Arabian Sea

Feeding Ecology of Padogobius nigricans (Canestrini, 1867) and P. bonelli (Bonaparte, 1846) in Aggia River (Umbria, Italy) and Their Diet Overlap

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